20078091440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1052

約数の個数: 240

約数和(自身を含む): 53620109760

約数和(自身を除く): 33542018320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 61, 74, 80, 88, 110, 121, 122, 148, 176, 185, 220, 242, 244, 296, 305, 370, 407, 440, 484, 488, 592, 605, 610, 671, 740, 814, 880, 919, 968, 976, 1210, 1220, 1342, 1480, 1628, 1838, 1936, 2035, 2257, 2420, 2440, 2684, 2960, 3256, 3355, 3676, 4070, 4477, 4514, 4595, 4840, 4880, 5368, 6512, 6710, 7352, 7381, 8140, 8954, 9028, 9190, 9680, 10109, 10736, 11285, 13420, 14704, 14762, 16280, 17908, 18056, 18380, 20218, 22385, 22570, 24827, 26840, 29524, 32560, 34003, 35816, 36112, 36760, 36905, 40436, 44770, 45140, 49654, 50545, 53680, 56059, 59048, 68006, 71632, 73520, 73810, 80872, 89540, 90280, 99308, 101090, 111199, 112118, 118096, 124135, 136012, 147620, 161744, 170015, 179080, 180560, 198616, 202180, 222398, 224236, 248270, 272024, 273097, 280295, 295240, 340030, 358160, 374033, 397232, 404360, 444796, 448472, 496540, 544048, 546194, 555995, 560590, 590480, 616649, 680060, 748066, 808720, 889592, 896944, 993080, 1092388, 1111990, 1121180, 1233298, 1360120, 1365485, 1496132, 1779184, 1870165, 1986160, 2074183, 2184776, 2223980, 2242360, 2466596, 2720240, 2730970, 2992264, 3083245, 3740330, 4114363, 4148366, 4369552, 4447960, 4484720, 4933192, 5461940, 5984528, 6166490, 6783139, 7480660, 8228726, 8296732, 8895920, 9866384, 10370915, 10923880, 12332980, 13566278, 14961320, 16457452, 16593464, 20571815, 20741830, 21847760, 22816013, 24665960, 27132556, 29922640, 32914904, 33186928, 33915695, 41143630, 41483660, 45632026, 49331920, 54265112, 65829808, 67831390, 82287260, 82967320, 91264052, 108530224, 114080065, 135662780, 164574520, 165934640, 182528104, 228160130, 250976143, 271325560, 329149040, 365056208, 456320260, 501952286, 542651120, 912640520, 1003904572, 1254880715, 1825281040, 2007809144, 2509761430, 4015618288, 5019522860, 10039045720, 20078091440]

約数ペア:

[(1, 20078091440), (2, 10039045720), (4, 5019522860), (5, 4015618288), (8, 2509761430), (10, 2007809144), (11, 1825281040), (16, 1254880715), (20, 1003904572), (22, 912640520), (37, 542651120), (40, 501952286), (44, 456320260), (55, 365056208), (61, 329149040), (74, 271325560), (80, 250976143), (88, 228160130), (110, 182528104), (121, 165934640), (122, 164574520), (148, 135662780), (176, 114080065), (185, 108530224), (220, 91264052), (242, 82967320), (244, 82287260), (296, 67831390), (305, 65829808), (370, 54265112), (407, 49331920), (440, 45632026), (484, 41483660), (488, 41143630), (592, 33915695), (605, 33186928), (610, 32914904), (671, 29922640), (740, 27132556), (814, 24665960), (880, 22816013), (919, 21847760), (968, 20741830), (976, 20571815), (1210, 16593464), (1220, 16457452), (1342, 14961320), (1480, 13566278), (1628, 12332980), (1838, 10923880), (1936, 10370915), (2035, 9866384), (2257, 8895920), (2420, 8296732), (2440, 8228726), (2684, 7480660), (2960, 6783139), (3256, 6166490), (3355, 5984528), (3676, 5461940), (4070, 4933192), (4477, 4484720), (4514, 4447960), (4595, 4369552), (4840, 4148366), (4880, 4114363), (5368, 3740330), (6512, 3083245), (6710, 2992264), (7352, 2730970), (7381, 2720240), (8140, 2466596), (8954, 2242360), (9028, 2223980), (9190, 2184776), (9680, 2074183), (10109, 1986160), (10736, 1870165), (11285, 1779184), (13420, 1496132), (14704, 1365485), (14762, 1360120), (16280, 1233298), (17908, 1121180), (18056, 1111990), (18380, 1092388), (20218, 993080), (22385, 896944), (22570, 889592), (24827, 808720), (26840, 748066), (29524, 680060), (32560, 616649), (34003, 590480), (35816, 560590), (36112, 555995), (36760, 546194), (36905, 544048), (40436, 496540), (44770, 448472), (45140, 444796), (49654, 404360), (50545, 397232), (53680, 374033), (56059, 358160), (59048, 340030), (68006, 295240), (71632, 280295), (73520, 273097), (73810, 272024), (80872, 248270), (89540, 224236), (90280, 222398), (99308, 202180), (101090, 198616), (111199, 180560), (112118, 179080), (118096, 170015), (124135, 161744), (136012, 147620)]