20496855

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4451}}^1$

素因数の和:4766

約数の個数: 16

約数和(自身を含む): 32909184

約数和(自身を除く): 12412329

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4451, 4605, 13353, 22255, 66765, 1366457, 4099371, 6832285, 20496855]

約数ペア:

[(1, 20496855), (3, 6832285), (5, 4099371), (15, 1366457), (307, 66765), (921, 22255), (1535, 13353), (4451, 4605)]