20864524

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 16532276

約数列:

[1, 2, 4, 59, 118, 211, 236, 419, 422, 838, 844, 1676, 12449, 24721, 24898, 49442, 49796, 88409, 98884, 176818, 353636, 5216131, 10432262, 20864524]

約数ペア:

[(1, 20864524), (2, 10432262), (4, 5216131), (59, 353636), (118, 176818), (211, 98884), (236, 88409), (419, 49796), (422, 49442), (838, 24898), (844, 24721), (1676, 12449)]