20085416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 20772184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1279, 1963, 2558, 3926, 5116, 7852, 10232, 15704, 16627, 33254, 66508, 133016, 193129, 386258, 772516, 1545032, 2510677, 5021354, 10042708, 20085416]

約数ペア:

[(1, 20085416), (2, 10042708), (4, 5021354), (8, 2510677), (13, 1545032), (26, 772516), (52, 386258), (104, 193129), (151, 133016), (302, 66508), (604, 33254), (1208, 16627), (1279, 15704), (1963, 10232), (2558, 7852), (3926, 5116)]