20508780610

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{1274629}}^1$

素因数の和:1276245

約数の個数: 16

約数和(自身を含む): 36938777400

約数和(自身を除く): 16429996790

約数列:

[1, 2, 5, 10, 1609, 3218, 8045, 16090, 1274629, 2549258, 6373145, 12746290, 2050878061, 4101756122, 10254390305, 20508780610]

約数ペア:

[(1, 20508780610), (2, 10254390305), (5, 4101756122), (10, 2050878061), (1609, 12746290), (3218, 6373145), (8045, 2549258), (16090, 1274629)]