20842256

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12647}}^1$

素因数の和:12758

約数の個数: 20

約数和(自身を含む): 40777152

約数和(自身を除く): 19934896

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12647, 25294, 50588, 101176, 202352, 1302641, 2605282, 5210564, 10421128, 20842256]

約数ペア:

[(1, 20842256), (2, 10421128), (4, 5210564), (8, 2605282), (16, 1302641), (103, 202352), (206, 101176), (412, 50588), (824, 25294), (1648, 12647)]