201861020

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{4723}}^1$

素因数の和:6869

約数の個数: 24

約数和(自身を含む): 424196304

約数和(自身を除く): 222335284

約数列:

[1, 2, 4, 5, 10, 20, 2137, 4274, 4723, 8548, 9446, 10685, 18892, 21370, 23615, 42740, 47230, 94460, 10093051, 20186102, 40372204, 50465255, 100930510, 201861020]

約数ペア:

[(1, 201861020), (2, 100930510), (4, 50465255), (5, 40372204), (10, 20186102), (20, 10093051), (2137, 94460), (4274, 47230), (4723, 42740), (8548, 23615), (9446, 21370), (10685, 18892)]