20908788

素因数分解:

$2^2\times 3^1\times {\mathrm{1319}}^1\times {\mathrm{1321}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 48861120

約数和(自身を除く): 27952332

約数列:

[1, 2, 3, 4, 6, 12, 1319, 1321, 2638, 2642, 3957, 3963, 5276, 5284, 7914, 7926, 15828, 15852, 1742399, 3484798, 5227197, 6969596, 10454394, 20908788]

約数ペア:

[(1, 20908788), (2, 10454394), (3, 6969596), (4, 5227197), (6, 3484798), (12, 1742399), (1319, 15852), (1321, 15828), (2638, 7926), (2642, 7914), (3957, 5284), (3963, 5276)]