20480811

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8609}}^1$

素因数の和:8686

約数の個数: 16

約数和(自身を含む): 29893920

約数和(自身を除く): 9413109

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8609, 25827, 111917, 335751, 525149, 1575447, 6826937, 20480811]

約数ペア:

[(1, 20480811), (3, 6826937), (13, 1575447), (39, 525149), (61, 335751), (183, 111917), (793, 25827), (2379, 8609)]