20124950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5752

約数の個数: 24

約数和(自身を含む): 37966320

約数和(自身を除く): 17841370

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5669, 11338, 28345, 56690, 141725, 283450, 402499, 804998, 2012495, 4024990, 10062475, 20124950]

約数ペア:

[(1, 20124950), (2, 10062475), (5, 4024990), (10, 2012495), (25, 804998), (50, 402499), (71, 283450), (142, 141725), (355, 56690), (710, 28345), (1775, 11338), (3550, 5669)]