20418098

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:749

約数の個数: 16

約数和(自身を含む): 31119000

約数和(自身を除く): 10700902

約数列:

[1, 2, 109, 218, 229, 409, 458, 818, 24961, 44581, 49922, 89162, 93661, 187322, 10209049, 20418098]

約数ペア:

[(1, 20418098), (2, 10209049), (109, 187322), (218, 93661), (229, 89162), (409, 49922), (458, 44581), (818, 24961)]