20376069

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2161}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 31132800

約数和(自身を除く): 10756731

約数列:

[1, 3, 7, 21, 449, 1347, 2161, 3143, 6483, 9429, 15127, 45381, 970289, 2910867, 6792023, 20376069]

約数ペア:

[(1, 20376069), (3, 6792023), (7, 2910867), (21, 970289), (449, 45381), (1347, 15127), (2161, 9429), (3143, 6483)]