20504404

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 36528128

約数和(自身を除く): 16023724

約数列:

[1, 2, 4, 127, 181, 223, 254, 362, 446, 508, 724, 892, 22987, 28321, 40363, 45974, 56642, 80726, 91948, 113284, 161452, 5126101, 10252202, 20504404]

約数ペア:

[(1, 20504404), (2, 10252202), (4, 5126101), (127, 161452), (181, 113284), (223, 91948), (254, 80726), (362, 56642), (446, 45974), (508, 40363), (724, 28321), (892, 22987)]