20158971

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41737}}^1$

素因数の和:41770

約数の個数: 16

約数和(自身を含む): 32054784

約数和(自身を除く): 11895813

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41737, 125211, 292159, 876477, 959951, 2879853, 6719657, 20158971]

約数ペア:

[(1, 20158971), (3, 6719657), (7, 2879853), (21, 959951), (23, 876477), (69, 292159), (161, 125211), (483, 41737)]