20777450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21871}}^1$

素因数の和:21902

約数の個数: 24

約数和(自身を含む): 40681920

約数和(自身を除く): 19904470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21871, 43742, 109355, 218710, 415549, 546775, 831098, 1093550, 2077745, 4155490, 10388725, 20777450]

約数ペア:

[(1, 20777450), (2, 10388725), (5, 4155490), (10, 2077745), (19, 1093550), (25, 831098), (38, 546775), (50, 415549), (95, 218710), (190, 109355), (475, 43742), (950, 21871)]