12202220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19681}}^1$

素因数の和:19721

約数の個数: 24

約数和(自身を含む): 26452608

約数和(自身を除く): 14250388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19681, 39362, 78724, 98405, 196810, 393620, 610111, 1220222, 2440444, 3050555, 6101110, 12202220]

約数ペア:

[(1, 12202220), (2, 6101110), (4, 3050555), (5, 2440444), (10, 1220222), (20, 610111), (31, 393620), (62, 196810), (124, 98405), (155, 78724), (310, 39362), (620, 19681)]