20568485

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 29500920

約数和(自身を除く): 8932435

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 2269, 9065, 11345, 15883, 79415, 83953, 111181, 419765, 555905, 587671, 2938355, 4113697, 20568485]

約数ペア:

[(1, 20568485), (5, 4113697), (7, 2938355), (35, 587671), (37, 555905), (49, 419765), (185, 111181), (245, 83953), (259, 79415), (1295, 15883), (1813, 11345), (2269, 9065)]