20490354

素因数分解:

$2^1\times 3^3\times {\mathrm{379451}}^1$

素因数の和:379462

約数の個数: 16

約数和(自身を含む): 45534240

約数和(自身を除く): 25043886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379451, 758902, 1138353, 2276706, 3415059, 6830118, 10245177, 20490354]

約数ペア:

[(1, 20490354), (2, 10245177), (3, 6830118), (6, 3415059), (9, 2276706), (18, 1138353), (27, 758902), (54, 379451)]