2012252020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{890377}}^1$

素因数の和:890499

約数の個数: 24

約数和(自身を含む): 4263129864

約数和(自身を除く): 2250877844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 890377, 1780754, 3561508, 4451885, 8903770, 17807540, 100612601, 201225202, 402450404, 503063005, 1006126010, 2012252020]

約数ペア:

[(1, 2012252020), (2, 1006126010), (4, 503063005), (5, 402450404), (10, 201225202), (20, 100612601), (113, 17807540), (226, 8903770), (452, 4451885), (565, 3561508), (1130, 1780754), (2260, 890377)]