20458611

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 31325840

約数和(自身を除く): 10867229

約数列:

[1, 3, 9, 19, 57, 171, 181, 543, 661, 1629, 1983, 3439, 5949, 10317, 12559, 30951, 37677, 113031, 119641, 358923, 1076769, 2273179, 6819537, 20458611]

約数ペア:

[(1, 20458611), (3, 6819537), (9, 2273179), (19, 1076769), (57, 358923), (171, 119641), (181, 113031), (543, 37677), (661, 30951), (1629, 12559), (1983, 10317), (3439, 5949)]