20475080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10891}}^1$

素因数の和:10949

約数の個数: 32

約数和(自身を含む): 47053440

約数和(自身を除く): 26578360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10891, 21782, 43564, 54455, 87128, 108910, 217820, 435640, 511877, 1023754, 2047508, 2559385, 4095016, 5118770, 10237540, 20475080]

約数ペア:

[(1, 20475080), (2, 10237540), (4, 5118770), (5, 4095016), (8, 2559385), (10, 2047508), (20, 1023754), (40, 511877), (47, 435640), (94, 217820), (188, 108910), (235, 87128), (376, 54455), (470, 43564), (940, 21782), (1880, 10891)]