20386323

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1048

約数の個数: 20

約数和(自身を含む): 30579120

約数和(自身を除く): 10192797

約数列:

[1, 3, 9, 27, 81, 389, 647, 1167, 1941, 3501, 5823, 10503, 17469, 31509, 52407, 251683, 755049, 2265147, 6795441, 20386323]

約数ペア:

[(1, 20386323), (3, 6795441), (9, 2265147), (27, 755049), (81, 251683), (389, 52407), (647, 31509), (1167, 17469), (1941, 10503), (3501, 5823)]