20225038180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11362381}}^1$

素因数の和:11362479

約数の個数: 24

約数和(自身を含む): 42949803960

約数和(自身を除く): 22724765780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 11362381, 22724762, 45449524, 56811905, 113623810, 227247620, 1011251909, 2022503818, 4045007636, 5056259545, 10112519090, 20225038180]

約数ペア:

[(1, 20225038180), (2, 10112519090), (4, 5056259545), (5, 4045007636), (10, 2022503818), (20, 1011251909), (89, 227247620), (178, 113623810), (356, 56811905), (445, 45449524), (890, 22724762), (1780, 11362381)]