20705421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33023}}^1$

素因数の和:33056

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 10997619

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33023, 99069, 363253, 627437, 1089759, 1882311, 6901807, 20705421]

約数ペア:

[(1, 20705421), (3, 6901807), (11, 1882311), (19, 1089759), (33, 627437), (57, 363253), (209, 99069), (627, 33023)]