20120681690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 39329452800

約数和(自身を除く): 19208771110

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 109, 113, 131, 145, 215, 218, 226, 262, 290, 430, 545, 565, 655, 1090, 1130, 1247, 1310, 2494, 3161, 3277, 3799, 4687, 4859, 5633, 6235, 6322, 6554, 7598, 9374, 9718, 11266, 12317, 12470, 14279, 14803, 15805, 16385, 18995, 23435, 24295, 24634, 28165, 28558, 29606, 31610, 32770, 37990, 46870, 48590, 56330, 61585, 71395, 74015, 123170, 135923, 140911, 142790, 148030, 163357, 271846, 281822, 326714, 357193, 414091, 429287, 529631, 613997, 636529, 679615, 704555, 714386, 816785, 828182, 858574, 1059262, 1227994, 1273058, 1359230, 1409110, 1613527, 1633570, 1785965, 2070455, 2146435, 2648155, 3069985, 3182645, 3227054, 3571930, 4140910, 4292870, 5296310, 6139970, 6365290, 8067635, 15359299, 16135270, 17805913, 18459341, 30718598, 35611826, 36918682, 46792283, 69381661, 76796495, 89029565, 92296705, 93584566, 138763322, 153592990, 178059130, 184593410, 233961415, 346908305, 467922830, 693816610, 2012068169, 4024136338, 10060340845, 20120681690]

約数ペア:

[(1, 20120681690), (2, 10060340845), (5, 4024136338), (10, 2012068169), (29, 693816610), (43, 467922830), (58, 346908305), (86, 233961415), (109, 184593410), (113, 178059130), (131, 153592990), (145, 138763322), (215, 93584566), (218, 92296705), (226, 89029565), (262, 76796495), (290, 69381661), (430, 46792283), (545, 36918682), (565, 35611826), (655, 30718598), (1090, 18459341), (1130, 17805913), (1247, 16135270), (1310, 15359299), (2494, 8067635), (3161, 6365290), (3277, 6139970), (3799, 5296310), (4687, 4292870), (4859, 4140910), (5633, 3571930), (6235, 3227054), (6322, 3182645), (6554, 3069985), (7598, 2648155), (9374, 2146435), (9718, 2070455), (11266, 1785965), (12317, 1633570), (12470, 1613527), (14279, 1409110), (14803, 1359230), (15805, 1273058), (16385, 1227994), (18995, 1059262), (23435, 858574), (24295, 828182), (24634, 816785), (28165, 714386), (28558, 704555), (29606, 679615), (31610, 636529), (32770, 613997), (37990, 529631), (46870, 429287), (48590, 414091), (56330, 357193), (61585, 326714), (71395, 281822), (74015, 271846), (123170, 163357), (135923, 148030), (140911, 142790)]