20624150

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1039}}^1$

素因数の和:1448

約数の個数: 24

約数和(自身を含む): 38494560

約数和(自身を除く): 17870410

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 1039, 1985, 2078, 3970, 5195, 9925, 10390, 19850, 25975, 51950, 412483, 824966, 2062415, 4124830, 10312075, 20624150]

約数ペア:

[(1, 20624150), (2, 10312075), (5, 4124830), (10, 2062415), (25, 824966), (50, 412483), (397, 51950), (794, 25975), (1039, 19850), (1985, 10390), (2078, 9925), (3970, 5195)]