20559600140

素因数分解:

$2^2\times 5^1\times {\mathrm{1027980007}}^1$

素因数の和:1027980016

約数の個数: 12

約数和(自身を含む): 43175160336

約数和(自身を除く): 22615560196

約数列:

[1, 2, 4, 5, 10, 20, 1027980007, 2055960014, 4111920028, 5139900035, 10279800070, 20559600140]

約数ペア:

[(1, 20559600140), (2, 10279800070), (4, 5139900035), (5, 4111920028), (10, 2055960014), (20, 1027980007)]