20888930881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{278917}}^1$

素因数の和:279760

約数の個数: 16

約数和(自身を含む): 25740784384

約数和(自身を除く): 4851853503

約数列:

[1, 7, 13, 91, 823, 5761, 10699, 74893, 278917, 1952419, 3625921, 25381447, 229548691, 1606840837, 2984132983, 20888930881]

約数ペア:

[(1, 20888930881), (7, 2984132983), (13, 1606840837), (91, 229548691), (823, 25381447), (5761, 3625921), (10699, 1952419), (74893, 278917)]