20026180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6143}}^1$

素因数の和:6315

約数の個数: 24

約数和(自身を含む): 42319872

約数和(自身を除く): 22293692

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6143, 12286, 24572, 30715, 61430, 122860, 1001309, 2002618, 4005236, 5006545, 10013090, 20026180]

約数ペア:

[(1, 20026180), (2, 10013090), (4, 5006545), (5, 4005236), (10, 2002618), (20, 1001309), (163, 122860), (326, 61430), (652, 30715), (815, 24572), (1630, 12286), (3260, 6143)]