20222200

素因数分解:

$2^3\times 5^2\times {\mathrm{101111}}^1$

素因数の和:101127

約数の個数: 24

約数和(自身を含む): 47017080

約数和(自身を除く): 26794880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101111, 202222, 404444, 505555, 808888, 1011110, 2022220, 2527775, 4044440, 5055550, 10111100, 20222200]

約数ペア:

[(1, 20222200), (2, 10111100), (4, 5055550), (5, 4044440), (8, 2527775), (10, 2022220), (20, 1011110), (25, 808888), (40, 505555), (50, 404444), (100, 202222), (200, 101111)]