20490786

素因数分解:

$2^1\times 3^3\times {\mathrm{379459}}^1$

素因数の和:379470

約数の個数: 16

約数和(自身を含む): 45535200

約数和(自身を除く): 25044414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379459, 758918, 1138377, 2276754, 3415131, 6830262, 10245393, 20490786]

約数ペア:

[(1, 20490786), (2, 10245393), (3, 6830262), (6, 3415131), (9, 2276754), (18, 1138377), (27, 758918), (54, 379459)]