20748435

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10559}}^1$

素因数の和:10698

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12705645

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10559, 31677, 52795, 158385, 1383229, 4149687, 6916145, 20748435]

約数ペア:

[(1, 20748435), (3, 6916145), (5, 4149687), (15, 1383229), (131, 158385), (393, 52795), (655, 31677), (1965, 10559)]