20490318

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{36721}}^1$

素因数の和:36760

約数の個数: 24

約数和(自身を含む): 45829056

約数和(自身を除く): 25338738

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 36721, 73442, 110163, 220326, 330489, 660978, 1138351, 2276702, 3415053, 6830106, 10245159, 20490318]

約数ペア:

[(1, 20490318), (2, 10245159), (3, 6830106), (6, 3415053), (9, 2276702), (18, 1138351), (31, 660978), (62, 330489), (93, 220326), (186, 110163), (279, 73442), (558, 36721)]