20767747

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20747}}^1$

素因数の和:20778

約数の個数: 16

約数和(自身を含む): 27885312

約数和(自身を除く): 7117565

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20747, 145229, 228217, 269711, 1597519, 1887977, 2966821, 20767747]

約数ペア:

[(1, 20767747), (7, 2966821), (11, 1887977), (13, 1597519), (77, 269711), (91, 228217), (143, 145229), (1001, 20747)]