20534121

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{24533}}^1$

素因数の和:24573

約数の個数: 16

約数和(自身を含む): 31403520

約数和(自身を除く): 10869399

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 24533, 73599, 220797, 662391, 760523, 2281569, 6844707, 20534121]

約数ペア:

[(1, 20534121), (3, 6844707), (9, 2281569), (27, 760523), (31, 662391), (93, 220797), (279, 73599), (837, 24533)]