20338905

素因数分解:

$3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2383}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 32613120

約数和(自身を除く): 12274215

約数列:

[1, 3, 5, 15, 569, 1707, 2383, 2845, 7149, 8535, 11915, 35745, 1355927, 4067781, 6779635, 20338905]

約数ペア:

[(1, 20338905), (3, 6779635), (5, 4067781), (15, 1355927), (569, 35745), (1707, 11915), (2383, 8535), (2845, 7149)]