20858661

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5639}}^1$

素因数の和:5785

約数の個数: 16

約数和(自身を含む): 31132800

約数和(自身を除く): 10274139

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5639, 16917, 50751, 152253, 772543, 2317629, 6952887, 20858661]

約数ペア:

[(1, 20858661), (3, 6952887), (9, 2317629), (27, 772543), (137, 152253), (411, 50751), (1233, 16917), (3699, 5639)]