20811474

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{5869}}^1$

素因数の和:6074

約数の個数: 24

約数和(自身を含む): 45328140

約数和(自身を除く): 24516666

約数列:

[1, 2, 3, 6, 9, 18, 197, 394, 591, 1182, 1773, 3546, 5869, 11738, 17607, 35214, 52821, 105642, 1156193, 2312386, 3468579, 6937158, 10405737, 20811474]

約数ペア:

[(1, 20811474), (2, 10405737), (3, 6937158), (6, 3468579), (9, 2312386), (18, 1156193), (197, 105642), (394, 52821), (591, 35214), (1182, 17607), (1773, 11738), (3546, 5869)]