20390115

素因数分解:

$3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2389}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 32695200

約数和(自身を除く): 12305085

約数列:

[1, 3, 5, 15, 569, 1707, 2389, 2845, 7167, 8535, 11945, 35835, 1359341, 4078023, 6796705, 20390115]

約数ペア:

[(1, 20390115), (3, 6796705), (5, 4078023), (15, 1359341), (569, 35835), (1707, 11945), (2389, 8535), (2845, 7167)]