20841519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1319}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 8304081

約数列:

[1, 3, 23, 69, 229, 687, 1319, 3957, 5267, 15801, 30337, 91011, 302051, 906153, 6947173, 20841519]

約数ペア:

[(1, 20841519), (3, 6947173), (23, 906153), (69, 302051), (229, 91011), (687, 30337), (1319, 15801), (3957, 5267)]