20508644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{757}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 38776248

約数和(自身を除く): 18267604

約数列:

[1, 2, 4, 13, 26, 52, 521, 757, 1042, 1514, 2084, 3028, 6773, 9841, 13546, 19682, 27092, 39364, 394397, 788794, 1577588, 5127161, 10254322, 20508644]

約数ペア:

[(1, 20508644), (2, 10254322), (4, 5127161), (13, 1577588), (26, 788794), (52, 394397), (521, 39364), (757, 27092), (1042, 19682), (1514, 13546), (2084, 9841), (3028, 6773)]