20718099

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1867}}^1$

素因数の和:2016

約数の個数: 20

約数和(自身を含む): 31191864

約数和(自身を除く): 10473765

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1867, 3699, 5601, 11097, 16803, 50409, 151227, 255779, 767337, 2302011, 6906033, 20718099]

約数ペア:

[(1, 20718099), (3, 6906033), (9, 2302011), (27, 767337), (81, 255779), (137, 151227), (411, 50409), (1233, 16803), (1867, 11097), (3699, 5601)]