20809870822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4421987}}^1$

素因数の和:4422183

約数の個数: 16

約数和(自身を含む): 33801676272

約数和(自身を除く): 12991805450

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4706, 4421987, 8843974, 57485831, 114971662, 800379647, 1600759294, 10404935411, 20809870822]

約数ペア:

[(1, 20809870822), (2, 10404935411), (13, 1600759294), (26, 800379647), (181, 114971662), (362, 57485831), (2353, 8843974), (4706, 4421987)]