20673530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121609}}^1$

素因数の和:121633

約数の個数: 16

約数和(自身を含む): 39401640

約数和(自身を除く): 18728110

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121609, 243218, 608045, 1216090, 2067353, 4134706, 10336765, 20673530]

約数ペア:

[(1, 20673530), (2, 10336765), (5, 4134706), (10, 2067353), (17, 1216090), (34, 608045), (85, 243218), (170, 121609)]