20201005190

素因数分解:

$2^1\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{459427}}^1$

素因数の和:463831

約数の個数: 16

約数和(自身を含む): 36370158192

約数和(自身を除く): 16169153002

約数列:

[1, 2, 5, 10, 4397, 8794, 21985, 43970, 459427, 918854, 2297135, 4594270, 2020100519, 4040201038, 10100502595, 20201005190]

約数ペア:

[(1, 20201005190), (2, 10100502595), (5, 4040201038), (10, 2020100519), (4397, 4594270), (8794, 2297135), (21985, 918854), (43970, 459427)]