20628524

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12487}}^1$

素因数の和:12557

約数の個数: 24

約数和(自身を含む): 41959680

約数和(自身を除く): 21331156

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12487, 24974, 49948, 87409, 174818, 349636, 736733, 1473466, 2946932, 5157131, 10314262, 20628524]

約数ペア:

[(1, 20628524), (2, 10314262), (4, 5157131), (7, 2946932), (14, 1473466), (28, 736733), (59, 349636), (118, 174818), (236, 87409), (413, 49948), (826, 24974), (1652, 12487)]