20085220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13757}}^1$

素因数の和:13839

約数の個数: 24

約数和(自身を含む): 42759864

約数和(自身を除く): 22674644

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13757, 27514, 55028, 68785, 137570, 275140, 1004261, 2008522, 4017044, 5021305, 10042610, 20085220]

約数ペア:

[(1, 20085220), (2, 10042610), (4, 5021305), (5, 4017044), (10, 2008522), (20, 1004261), (73, 275140), (146, 137570), (292, 68785), (365, 55028), (730, 27514), (1460, 13757)]