20776217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6581}}^1$

素因数の和:6640

約数の個数: 16

約数和(自身を含む): 26538624

約数和(自身を除く): 5762407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6581, 46067, 72391, 269821, 506737, 1888747, 2968031, 20776217]

約数ペア:

[(1, 20776217), (7, 2968031), (11, 1888747), (41, 506737), (77, 269821), (287, 72391), (451, 46067), (3157, 6581)]