20572227

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10343}}^1$

素因数の和:10379

約数の個数: 24

約数和(自身を含む): 33886944

約数和(自身を除く): 13314717

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10343, 31029, 93087, 134459, 175831, 403377, 527493, 1210131, 1582479, 2285803, 6857409, 20572227]

約数ペア:

[(1, 20572227), (3, 6857409), (9, 2285803), (13, 1582479), (17, 1210131), (39, 527493), (51, 403377), (117, 175831), (153, 134459), (221, 93087), (663, 31029), (1989, 10343)]