20686603

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 25242624

約数和(自身を除く): 4556021

約数列:

[1, 7, 17, 119, 131, 917, 1327, 2227, 9289, 15589, 22559, 157913, 173837, 1216859, 2955229, 20686603]

約数ペア:

[(1, 20686603), (7, 2955229), (17, 1216859), (119, 173837), (131, 157913), (917, 22559), (1327, 15589), (2227, 9289)]