20569250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6329}}^1$

素因数の和:6359

約数の個数: 32

約数和(自身を含む): 41474160

約数和(自身を除く): 20904910

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6329, 12658, 31645, 63290, 82277, 158225, 164554, 316450, 411385, 791125, 822770, 1582250, 2056925, 4113850, 10284625, 20569250]

約数ペア:

[(1, 20569250), (2, 10284625), (5, 4113850), (10, 2056925), (13, 1582250), (25, 822770), (26, 791125), (50, 411385), (65, 316450), (125, 164554), (130, 158225), (250, 82277), (325, 63290), (650, 31645), (1625, 12658), (3250, 6329)]