20797970545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{387047}}^1$

素因数の和:388040

約数の個数: 16

約数和(自身を含む): 27254371968

約数和(自身を除く): 6456401423

約数列:

[1, 5, 11, 55, 977, 4885, 10747, 53735, 387047, 1935235, 4257517, 21287585, 378144919, 1890724595, 4159594109, 20797970545]

約数ペア:

[(1, 20797970545), (5, 4159594109), (11, 1890724595), (55, 378144919), (977, 21287585), (4885, 4257517), (10747, 1935235), (53735, 387047)]