20679850464

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{8191}}^1$

素因数の和:8258

約数の個数: 288

約数和(自身を含む): 70981779456

約数和(自身を除く): 50301928992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 32, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 96, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 224, 238, 272, 273, 289, 312, 336, 357, 364, 408, 416, 442, 476, 544, 546, 578, 624, 663, 672, 714, 728, 816, 867, 884, 952, 1092, 1156, 1248, 1326, 1428, 1456, 1547, 1632, 1734, 1768, 1904, 2023, 2184, 2312, 2652, 2856, 2912, 3094, 3468, 3536, 3757, 3808, 4046, 4368, 4624, 4641, 5304, 5712, 6069, 6188, 6936, 7072, 7514, 8092, 8191, 8736, 9248, 9282, 10608, 11271, 11424, 12138, 12376, 13872, 15028, 16184, 16382, 18564, 21216, 22542, 24276, 24573, 24752, 26299, 27744, 30056, 32368, 32764, 37128, 45084, 48552, 49146, 49504, 52598, 57337, 60112, 64736, 65528, 74256, 78897, 90168, 97104, 98292, 105196, 106483, 114674, 120224, 131056, 139247, 148512, 157794, 172011, 180336, 194208, 196584, 210392, 212966, 229348, 262112, 278494, 315588, 319449, 344022, 360672, 393168, 417741, 420784, 425932, 458696, 556988, 631176, 638898, 688044, 745381, 786336, 835482, 841568, 851864, 917392, 974729, 1113976, 1262352, 1277796, 1376088, 1490762, 1670964, 1703728, 1810211, 1834784, 1949458, 2227952, 2236143, 2367199, 2524704, 2555592, 2752176, 2924187, 2981524, 3341928, 3407456, 3620422, 3898916, 4455904, 4472286, 4734398, 5111184, 5430633, 5504352, 5848374, 5963048, 6683856, 7101597, 7240844, 7797832, 8944572, 9468796, 10222368, 10861266, 11696748, 11926096, 12671477, 13367712, 14203194, 14481688, 15595664, 16570393, 17889144, 18937592, 21722532, 23393496, 23852192, 25342954, 28406388, 28963376, 30773587, 31191328, 33140786, 35778288, 37875184, 38014431, 43445064, 46786992, 49711179, 50685908, 56812776, 57926752, 61547174, 66281572, 71556576, 75750368, 76028862, 86890128, 92320761, 93573984, 99422358, 101371816, 113625552, 123094348, 132563144, 152057724, 173780256, 184641522, 198844716, 202743632, 215415109, 227251104, 246188696, 265126288, 304115448, 369283044, 397689432, 405487264, 430830218, 492377392, 530252576, 608230896, 646245327, 738566088, 795378864, 861660436, 984754784, 1216461792, 1292490654, 1477132176, 1590757728, 1723320872, 2584981308, 2954264352, 3446641744, 5169962616, 6893283488, 10339925232, 20679850464]

約数ペア:

[(1, 20679850464), (2, 10339925232), (3, 6893283488), (4, 5169962616), (6, 3446641744), (7, 2954264352), (8, 2584981308), (12, 1723320872), (13, 1590757728), (14, 1477132176), (16, 1292490654), (17, 1216461792), (21, 984754784), (24, 861660436), (26, 795378864), (28, 738566088), (32, 646245327), (34, 608230896), (39, 530252576), (42, 492377392), (48, 430830218), (51, 405487264), (52, 397689432), (56, 369283044), (68, 304115448), (78, 265126288), (84, 246188696), (91, 227251104), (96, 215415109), (102, 202743632), (104, 198844716), (112, 184641522), (119, 173780256), (136, 152057724), (156, 132563144), (168, 123094348), (182, 113625552), (204, 101371816), (208, 99422358), (221, 93573984), (224, 92320761), (238, 86890128), (272, 76028862), (273, 75750368), (289, 71556576), (312, 66281572), (336, 61547174), (357, 57926752), (364, 56812776), (408, 50685908), (416, 49711179), (442, 46786992), (476, 43445064), (544, 38014431), (546, 37875184), (578, 35778288), (624, 33140786), (663, 31191328), (672, 30773587), (714, 28963376), (728, 28406388), (816, 25342954), (867, 23852192), (884, 23393496), (952, 21722532), (1092, 18937592), (1156, 17889144), (1248, 16570393), (1326, 15595664), (1428, 14481688), (1456, 14203194), (1547, 13367712), (1632, 12671477), (1734, 11926096), (1768, 11696748), (1904, 10861266), (2023, 10222368), (2184, 9468796), (2312, 8944572), (2652, 7797832), (2856, 7240844), (2912, 7101597), (3094, 6683856), (3468, 5963048), (3536, 5848374), (3757, 5504352), (3808, 5430633), (4046, 5111184), (4368, 4734398), (4624, 4472286), (4641, 4455904), (5304, 3898916), (5712, 3620422), (6069, 3407456), (6188, 3341928), (6936, 2981524), (7072, 2924187), (7514, 2752176), (8092, 2555592), (8191, 2524704), (8736, 2367199), (9248, 2236143), (9282, 2227952), (10608, 1949458), (11271, 1834784), (11424, 1810211), (12138, 1703728), (12376, 1670964), (13872, 1490762), (15028, 1376088), (16184, 1277796), (16382, 1262352), (18564, 1113976), (21216, 974729), (22542, 917392), (24276, 851864), (24573, 841568), (24752, 835482), (26299, 786336), (27744, 745381), (30056, 688044), (32368, 638898), (32764, 631176), (37128, 556988), (45084, 458696), (48552, 425932), (49146, 420784), (49504, 417741), (52598, 393168), (57337, 360672), (60112, 344022), (64736, 319449), (65528, 315588), (74256, 278494), (78897, 262112), (90168, 229348), (97104, 212966), (98292, 210392), (105196, 196584), (106483, 194208), (114674, 180336), (120224, 172011), (131056, 157794), (139247, 148512)]