20003399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2676601

約数列:

[1, 13, 23, 149, 299, 449, 1937, 3427, 5837, 10327, 44551, 66901, 134251, 869713, 1538723, 20003399]

約数ペア:

[(1, 20003399), (13, 1538723), (23, 869713), (149, 134251), (299, 66901), (449, 44551), (1937, 10327), (3427, 5837)]