20033315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 25727520

約数和(自身を除く): 5694205

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3457, 5795, 17285, 65683, 210877, 328415, 1054385, 4006663, 20033315]

約数ペア:

[(1, 20033315), (5, 4006663), (19, 1054385), (61, 328415), (95, 210877), (305, 65683), (1159, 17285), (3457, 5795)]