20497335

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33329}}^1$

素因数の和:33378

約数の個数: 16

約数和(自身を含む): 33596640

約数和(自身を除く): 13099305

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33329, 99987, 166645, 499935, 1366489, 4099467, 6832445, 20497335]

約数ペア:

[(1, 20497335), (3, 6832445), (5, 4099467), (15, 1366489), (41, 499935), (123, 166645), (205, 99987), (615, 33329)]