19975575

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{2357}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 33332688

約数和(自身を除く): 13357113

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2357, 2825, 7071, 8475, 11785, 35355, 58925, 176775, 266341, 799023, 1331705, 3995115, 6658525, 19975575]

約数ペア:

[(1, 19975575), (3, 6658525), (5, 3995115), (15, 1331705), (25, 799023), (75, 266341), (113, 176775), (339, 58925), (565, 35355), (1695, 11785), (2357, 8475), (2825, 7071)]