20120681656

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{71837}}^1$

素因数の和:72223

約数の個数: 32

約数和(自身を含む): 38137357440

約数和(自身を除く): 18016675784

約数列:

[1, 2, 4, 8, 157, 223, 314, 446, 628, 892, 1256, 1784, 35011, 70022, 71837, 140044, 143674, 280088, 287348, 574696, 11278409, 16019651, 22556818, 32039302, 45113636, 64078604, 90227272, 128157208, 2515085207, 5030170414, 10060340828, 20120681656]

約数ペア:

[(1, 20120681656), (2, 10060340828), (4, 5030170414), (8, 2515085207), (157, 128157208), (223, 90227272), (314, 64078604), (446, 45113636), (628, 32039302), (892, 22556818), (1256, 16019651), (1784, 11278409), (35011, 574696), (70022, 287348), (71837, 280088), (140044, 143674)]