20466945

素因数分解:

$3^3\times 5^1\times {\mathrm{151607}}^1$

素因数の和:151621

約数の個数: 16

約数和(自身を含む): 36385920

約数和(自身を除く): 15918975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151607, 454821, 758035, 1364463, 2274105, 4093389, 6822315, 20466945]

約数ペア:

[(1, 20466945), (3, 6822315), (5, 4093389), (9, 2274105), (15, 1364463), (27, 758035), (45, 454821), (135, 151607)]