20639293525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{2141}}^1\times {\mathrm{5431}}^1$

素因数の和:7653

約数の個数: 24

約数和(自身を含む): 25970087808

約数和(自身を除く): 5330794283

約数列:

[1, 5, 25, 71, 355, 1775, 2141, 5431, 10705, 27155, 53525, 135775, 152011, 385601, 760055, 1928005, 3800275, 9640025, 11627771, 58138855, 290694275, 825571741, 4127858705, 20639293525]

約数ペア:

[(1, 20639293525), (5, 4127858705), (25, 825571741), (71, 290694275), (355, 58138855), (1775, 11627771), (2141, 9640025), (5431, 3800275), (10705, 1928005), (27155, 760055), (53525, 385601), (135775, 152011)]