20450555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3529}}^1$

素因数の和:3614

約数の個数: 16

約数和(自身を含む): 26263200

約数和(自身を除く): 5812645

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3529, 5795, 17645, 67051, 215269, 335255, 1076345, 4090111, 20450555]

約数ペア:

[(1, 20450555), (5, 4090111), (19, 1076345), (61, 335255), (95, 215269), (305, 67051), (1159, 17645), (3529, 5795)]