20993121

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10651}}^1$

素因数の和:10733

約数の個数: 16

約数和(自身を含む): 31529920

約数和(自身を除く): 10536799

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10651, 31953, 95859, 287577, 777523, 2332569, 6997707, 20993121]

約数ペア:

[(1, 20993121), (3, 6997707), (9, 2332569), (27, 777523), (73, 287577), (219, 95859), (657, 31953), (1971, 10651)]