20121448270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26131751}}^1$

素因数の和:26131776

約数の個数: 32

約数和(自身を含む): 45155667456

約数和(自身を除く): 25034219186

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26131751, 52263502, 130658755, 182922257, 261317510, 287449261, 365844514, 574898522, 914611285, 1437246305, 1829222570, 2012144827, 2874492610, 4024289654, 10060724135, 20121448270]

約数ペア:

[(1, 20121448270), (2, 10060724135), (5, 4024289654), (7, 2874492610), (10, 2012144827), (11, 1829222570), (14, 1437246305), (22, 914611285), (35, 574898522), (55, 365844514), (70, 287449261), (77, 261317510), (110, 182922257), (154, 130658755), (385, 52263502), (770, 26131751)]