20909463

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 7534953

約数列:

[1, 3, 73, 219, 307, 311, 921, 933, 22411, 22703, 67233, 68109, 95477, 286431, 6969821, 20909463]

約数ペア:

[(1, 20909463), (3, 6969821), (73, 286431), (219, 95477), (307, 68109), (311, 67233), (921, 22703), (933, 22411)]