20840979888

素因数分解:

$2^4\times 3^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:278

約数の個数: 400

約数和(自身を含む): 64298741760

約数和(自身を除く): 43457761872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 61, 71, 72, 79, 81, 94, 108, 122, 141, 142, 144, 158, 162, 183, 188, 213, 216, 237, 244, 282, 284, 316, 324, 366, 376, 423, 426, 432, 474, 488, 549, 564, 568, 632, 639, 648, 711, 732, 752, 846, 852, 948, 976, 1098, 1128, 1136, 1264, 1269, 1278, 1296, 1422, 1464, 1647, 1692, 1704, 1896, 1917, 2133, 2196, 2256, 2538, 2556, 2844, 2867, 2928, 3294, 3337, 3384, 3408, 3713, 3792, 3807, 3834, 4266, 4331, 4392, 4819, 4941, 5076, 5112, 5609, 5688, 5734, 5751, 6399, 6588, 6674, 6768, 7426, 7614, 7668, 8532, 8601, 8662, 8784, 9638, 9882, 10011, 10152, 10224, 11139, 11218, 11376, 11468, 11502, 12798, 12993, 13176, 13348, 14457, 14852, 15228, 15336, 16827, 17064, 17202, 17324, 19276, 19764, 20022, 20304, 22278, 22436, 22936, 23004, 25596, 25803, 25986, 26352, 26696, 28914, 29704, 30033, 30456, 30672, 33417, 33654, 34128, 34404, 34648, 38552, 38979, 39528, 40044, 43371, 44556, 44872, 45872, 46008, 50481, 51192, 51606, 51972, 53392, 57828, 59408, 60066, 60912, 66834, 67308, 68808, 69296, 77104, 77409, 77958, 79056, 80088, 86742, 89112, 89744, 90099, 92016, 100251, 100962, 102384, 103212, 103944, 115656, 116937, 120132, 130113, 133668, 134616, 137616, 151443, 154818, 155916, 160176, 173484, 178224, 180198, 200502, 201924, 203557, 206424, 207888, 226493, 231312, 232227, 233874, 240264, 260226, 263623, 267336, 269232, 270297, 300753, 302886, 309636, 311832, 342149, 346968, 350811, 360396, 390339, 401004, 403848, 407114, 412848, 452986, 454329, 464454, 467748, 480528, 520452, 527246, 534672, 540594, 601506, 605772, 610671, 619272, 623664, 679479, 684298, 693936, 701622, 720792, 780678, 790869, 802008, 807696, 814228, 905972, 908658, 928908, 935496, 1026447, 1040904, 1054492, 1081188, 1203012, 1211544, 1221342, 1238544, 1358958, 1368596, 1403244, 1441584, 1561356, 1581738, 1604016, 1628456, 1811944, 1817316, 1832013, 1857816, 1870992, 2038437, 2052894, 2081808, 2108984, 2162376, 2372607, 2406024, 2423088, 2442684, 2717916, 2737192, 2806488, 3079341, 3122712, 3163476, 3256912, 3623888, 3634632, 3664026, 3715632, 4076874, 4105788, 4217968, 4324752, 4745214, 4812048, 4885368, 5435832, 5474384, 5496039, 5612976, 6115311, 6158682, 6245424, 6326952, 7117821, 7269264, 7328052, 8153748, 8211576, 9238023, 9490428, 9770736, 10871664, 10992078, 12230622, 12317364, 12653904, 14235642, 14656104, 16081003, 16307496, 16423152, 16488117, 18345933, 18476046, 18980856, 21353463, 21984156, 24461244, 24634728, 27714069, 28471284, 29312208, 32162006, 32614992, 32976234, 36691866, 36952092, 37961712, 42706926, 43968312, 48243009, 48922488, 49269456, 55428138, 56942568, 64324012, 65952468, 73383732, 73904184, 85413852, 87936624, 96486018, 97844976, 110856276, 113885136, 128648024, 131904936, 144729027, 146767464, 147808368, 170827704, 192972036, 221712552, 257296048, 263809872, 289458054, 293534928, 341655408, 385944072, 434187081, 443425104, 578916108, 771888144, 868374162, 1157832216, 1302561243, 1736748324, 2315664432, 2605122486, 3473496648, 5210244972, 6946993296, 10420489944, 20840979888]

約数ペア:

[(1, 20840979888), (2, 10420489944), (3, 6946993296), (4, 5210244972), (6, 3473496648), (8, 2605122486), (9, 2315664432), (12, 1736748324), (16, 1302561243), (18, 1157832216), (24, 868374162), (27, 771888144), (36, 578916108), (47, 443425104), (48, 434187081), (54, 385944072), (61, 341655408), (71, 293534928), (72, 289458054), (79, 263809872), (81, 257296048), (94, 221712552), (108, 192972036), (122, 170827704), (141, 147808368), (142, 146767464), (144, 144729027), (158, 131904936), (162, 128648024), (183, 113885136), (188, 110856276), (213, 97844976), (216, 96486018), (237, 87936624), (244, 85413852), (282, 73904184), (284, 73383732), (316, 65952468), (324, 64324012), (366, 56942568), (376, 55428138), (423, 49269456), (426, 48922488), (432, 48243009), (474, 43968312), (488, 42706926), (549, 37961712), (564, 36952092), (568, 36691866), (632, 32976234), (639, 32614992), (648, 32162006), (711, 29312208), (732, 28471284), (752, 27714069), (846, 24634728), (852, 24461244), (948, 21984156), (976, 21353463), (1098, 18980856), (1128, 18476046), (1136, 18345933), (1264, 16488117), (1269, 16423152), (1278, 16307496), (1296, 16081003), (1422, 14656104), (1464, 14235642), (1647, 12653904), (1692, 12317364), (1704, 12230622), (1896, 10992078), (1917, 10871664), (2133, 9770736), (2196, 9490428), (2256, 9238023), (2538, 8211576), (2556, 8153748), (2844, 7328052), (2867, 7269264), (2928, 7117821), (3294, 6326952), (3337, 6245424), (3384, 6158682), (3408, 6115311), (3713, 5612976), (3792, 5496039), (3807, 5474384), (3834, 5435832), (4266, 4885368), (4331, 4812048), (4392, 4745214), (4819, 4324752), (4941, 4217968), (5076, 4105788), (5112, 4076874), (5609, 3715632), (5688, 3664026), (5734, 3634632), (5751, 3623888), (6399, 3256912), (6588, 3163476), (6674, 3122712), (6768, 3079341), (7426, 2806488), (7614, 2737192), (7668, 2717916), (8532, 2442684), (8601, 2423088), (8662, 2406024), (8784, 2372607), (9638, 2162376), (9882, 2108984), (10011, 2081808), (10152, 2052894), (10224, 2038437), (11139, 1870992), (11218, 1857816), (11376, 1832013), (11468, 1817316), (11502, 1811944), (12798, 1628456), (12993, 1604016), (13176, 1581738), (13348, 1561356), (14457, 1441584), (14852, 1403244), (15228, 1368596), (15336, 1358958), (16827, 1238544), (17064, 1221342), (17202, 1211544), (17324, 1203012), (19276, 1081188), (19764, 1054492), (20022, 1040904), (20304, 1026447), (22278, 935496), (22436, 928908), (22936, 908658), (23004, 905972), (25596, 814228), (25803, 807696), (25986, 802008), (26352, 790869), (26696, 780678), (28914, 720792), (29704, 701622), (30033, 693936), (30456, 684298), (30672, 679479), (33417, 623664), (33654, 619272), (34128, 610671), (34404, 605772), (34648, 601506), (38552, 540594), (38979, 534672), (39528, 527246), (40044, 520452), (43371, 480528), (44556, 467748), (44872, 464454), (45872, 454329), (46008, 452986), (50481, 412848), (51192, 407114), (51606, 403848), (51972, 401004), (53392, 390339), (57828, 360396), (59408, 350811), (60066, 346968), (60912, 342149), (66834, 311832), (67308, 309636), (68808, 302886), (69296, 300753), (77104, 270297), (77409, 269232), (77958, 267336), (79056, 263623), (80088, 260226), (86742, 240264), (89112, 233874), (89744, 232227), (90099, 231312), (92016, 226493), (100251, 207888), (100962, 206424), (102384, 203557), (103212, 201924), (103944, 200502), (115656, 180198), (116937, 178224), (120132, 173484), (130113, 160176), (133668, 155916), (134616, 154818), (137616, 151443)]