20155947

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2719}}^1$

素因数の和:3082

約数の個数: 16

約数和(自身を含む): 30812160

約数和(自身を除く): 10656213

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 2719, 7413, 8157, 19033, 57099, 959807, 2879421, 6718649, 20155947]

約数ペア:

[(1, 20155947), (3, 6718649), (7, 2879421), (21, 959807), (353, 57099), (1059, 19033), (2471, 8157), (2719, 7413)]