20253155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5879}}^1$

素因数の和:5950

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 6418525

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5879, 29395, 76427, 311587, 382135, 1557935, 4050631, 20253155]

約数ペア:

[(1, 20253155), (5, 4050631), (13, 1557935), (53, 382135), (65, 311587), (265, 76427), (689, 29395), (3445, 5879)]