20179585

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 24993360

約数和(自身を除く): 4813775

約数列:

[1, 5, 41, 173, 205, 569, 865, 2845, 7093, 23329, 35465, 98437, 116645, 492185, 4035917, 20179585]

約数ペア:

[(1, 20179585), (5, 4035917), (41, 492185), (173, 116645), (205, 98437), (569, 35465), (865, 23329), (2845, 7093)]