20496421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 23688000

約数和(自身を除く): 3191579

約数列:

[1, 11, 19, 209, 281, 349, 3091, 3839, 5339, 6631, 58729, 72941, 98069, 1078759, 1863311, 20496421]

約数ペア:

[(1, 20496421), (11, 1863311), (19, 1078759), (209, 98069), (281, 72941), (349, 58729), (3091, 6631), (3839, 5339)]