20555247

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2017}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 28413440

約数和(自身を除く): 7858193

約数列:

[1, 3, 43, 79, 129, 237, 2017, 3397, 6051, 10191, 86731, 159343, 260193, 478029, 6851749, 20555247]

約数ペア:

[(1, 20555247), (3, 6851749), (43, 478029), (79, 260193), (129, 159343), (237, 86731), (2017, 10191), (3397, 6051)]