20177372691

素因数分解:

$3^2\times 7^1\times {\mathrm{2473}}^1\times {\mathrm{129509}}^1$

素因数の和:131995

約数の個数: 24

約数和(自身を含む): 33322404960

約数和(自身を除く): 13145032269

約数列:

[1, 3, 7, 9, 21, 63, 2473, 7419, 17311, 22257, 51933, 129509, 155799, 388527, 906563, 1165581, 2719689, 8159067, 320275757, 960827271, 2241930299, 2882481813, 6725790897, 20177372691]

約数ペア:

[(1, 20177372691), (3, 6725790897), (7, 2882481813), (9, 2241930299), (21, 960827271), (63, 320275757), (2473, 8159067), (7419, 2719689), (17311, 1165581), (22257, 906563), (51933, 388527), (129509, 155799)]