12822220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20681}}^1$

素因数の和:20721

約数の個数: 24

約数和(自身を含む): 27796608

約数和(自身を除く): 14974388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20681, 41362, 82724, 103405, 206810, 413620, 641111, 1282222, 2564444, 3205555, 6411110, 12822220]

約数ペア:

[(1, 12822220), (2, 6411110), (4, 3205555), (5, 2564444), (10, 1282222), (20, 641111), (31, 413620), (62, 206810), (124, 103405), (155, 82724), (310, 41362), (620, 20681)]