20798100760

素因数分解:

$2^3\times 5^1\times {\mathrm{519952519}}^1$

素因数の和:519952530

約数の個数: 16

約数和(自身を含む): 46795726800

約数和(自身を除く): 25997626040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 519952519, 1039905038, 2079810076, 2599762595, 4159620152, 5199525190, 10399050380, 20798100760]

約数ペア:

[(1, 20798100760), (2, 10399050380), (4, 5199525190), (5, 4159620152), (8, 2599762595), (10, 2079810076), (20, 1039905038), (40, 519952519)]