20321324

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17579}}^1$

素因数の和:17617

約数の個数: 18

約数和(自身を含む): 37779420

約数和(自身を除く): 17458096

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17579, 35158, 70316, 298843, 597686, 1195372, 5080331, 10160662, 20321324]

約数ペア:

[(1, 20321324), (2, 10160662), (4, 5080331), (17, 1195372), (34, 597686), (68, 298843), (289, 70316), (578, 35158), (1156, 17579)]