20888590

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31177}}^1$

素因数の和:31251

約数の個数: 16

約数和(自身を含む): 38161872

約数和(自身を除く): 17273282

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31177, 62354, 155885, 311770, 2088859, 4177718, 10444295, 20888590]

約数ペア:

[(1, 20888590), (2, 10444295), (5, 4177718), (10, 2088859), (67, 311770), (134, 155885), (335, 62354), (670, 31177)]