20125851

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 29205504

約数和(自身を除く): 9079653

約数列:

[1, 3, 23, 31, 69, 93, 97, 291, 713, 2139, 2231, 3007, 6693, 9021, 9409, 28227, 69161, 207483, 216407, 291679, 649221, 875037, 6708617, 20125851]

約数ペア:

[(1, 20125851), (3, 6708617), (23, 875037), (31, 649221), (69, 291679), (93, 216407), (97, 207483), (291, 69161), (713, 28227), (2139, 9409), (2231, 9021), (3007, 6693)]