20208807

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 30446208

約数和(自身を除く): 10237401

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 641, 1017, 1923, 3503, 5769, 10509, 19871, 31527, 59613, 72433, 178839, 217299, 651897, 2245423, 6736269, 20208807]

約数ペア:

[(1, 20208807), (3, 6736269), (9, 2245423), (31, 651897), (93, 217299), (113, 178839), (279, 72433), (339, 59613), (641, 31527), (1017, 19871), (1923, 10509), (3503, 5769)]