22124420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26981}}^1$

素因数の和:27031

約数の個数: 24

約数和(自身を含む): 47596248

約数和(自身を除く): 25471828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 26981, 53962, 107924, 134905, 269810, 539620, 1106221, 2212442, 4424884, 5531105, 11062210, 22124420]

約数ペア:

[(1, 22124420), (2, 11062210), (4, 5531105), (5, 4424884), (10, 2212442), (20, 1106221), (41, 539620), (82, 269810), (164, 134905), (205, 107924), (410, 53962), (820, 26981)]