20598710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 40656384

約数和(自身を除く): 20057674

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 691, 1355, 1382, 2710, 2981, 3455, 5962, 6910, 7601, 14905, 15202, 29810, 38005, 76010, 187261, 374522, 936305, 1872610, 2059871, 4119742, 10299355, 20598710]

約数ペア:

[(1, 20598710), (2, 10299355), (5, 4119742), (10, 2059871), (11, 1872610), (22, 936305), (55, 374522), (110, 187261), (271, 76010), (542, 38005), (691, 29810), (1355, 15202), (1382, 14905), (2710, 7601), (2981, 6910), (3455, 5962)]