20148980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3637}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 42477288

約数和(自身を除く): 22328308

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3637, 5540, 7274, 14548, 18185, 36370, 72740, 1007449, 2014898, 4029796, 5037245, 10074490, 20148980]

約数ペア:

[(1, 20148980), (2, 10074490), (4, 5037245), (5, 4029796), (10, 2014898), (20, 1007449), (277, 72740), (554, 36370), (1108, 18185), (1385, 14548), (2770, 7274), (3637, 5540)]