20260875

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 34122816

約数和(自身を除く): 13861941

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 557, 1455, 1671, 2425, 2785, 7275, 8355, 12125, 13925, 36375, 41775, 54029, 69625, 162087, 208875, 270145, 810435, 1350725, 4052175, 6753625, 20260875]

約数ペア:

[(1, 20260875), (3, 6753625), (5, 4052175), (15, 1350725), (25, 810435), (75, 270145), (97, 208875), (125, 162087), (291, 69625), (375, 54029), (485, 41775), (557, 36375), (1455, 13925), (1671, 12125), (2425, 8355), (2785, 7275)]