20121902710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{159079}}^1$

素因数の和:159245

約数の個数: 64

約数和(自身を含む): 44898739200

約数和(自身を除く): 24776836490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 278, 455, 695, 910, 973, 1390, 1807, 1946, 3614, 4865, 9035, 9730, 12649, 18070, 25298, 63245, 126490, 159079, 318158, 795395, 1113553, 1590790, 2068027, 2227106, 4136054, 5567765, 10340135, 11135530, 14476189, 20680270, 22111981, 28952378, 44223962, 72380945, 110559905, 144761890, 154783867, 221119810, 287455753, 309567734, 574911506, 773919335, 1437278765, 1547838670, 2012190271, 2874557530, 4024380542, 10060951355, 20121902710]

約数ペア:

[(1, 20121902710), (2, 10060951355), (5, 4024380542), (7, 2874557530), (10, 2012190271), (13, 1547838670), (14, 1437278765), (26, 773919335), (35, 574911506), (65, 309567734), (70, 287455753), (91, 221119810), (130, 154783867), (139, 144761890), (182, 110559905), (278, 72380945), (455, 44223962), (695, 28952378), (910, 22111981), (973, 20680270), (1390, 14476189), (1807, 11135530), (1946, 10340135), (3614, 5567765), (4865, 4136054), (9035, 2227106), (9730, 2068027), (12649, 1590790), (18070, 1113553), (25298, 795395), (63245, 318158), (126490, 159079)]