20038180

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3617}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 42243768

約数和(自身を除く): 22205588

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3617, 5540, 7234, 14468, 18085, 36170, 72340, 1001909, 2003818, 4007636, 5009545, 10019090, 20038180]

約数ペア:

[(1, 20038180), (2, 10019090), (4, 5009545), (5, 4007636), (10, 2003818), (20, 1001909), (277, 72340), (554, 36170), (1108, 18085), (1385, 14468), (2770, 7234), (3617, 5540)]