20331485

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 24998976

約数和(自身を除く): 4667491

約数列:

[1, 5, 67, 137, 335, 443, 685, 2215, 9179, 29681, 45895, 60691, 148405, 303455, 4066297, 20331485]

約数ペア:

[(1, 20331485), (5, 4066297), (67, 303455), (137, 148405), (335, 60691), (443, 45895), (685, 29681), (2215, 9179)]