20565404899

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{49937}}^1$

素因数の和:50430

約数の個数: 16

約数和(自身を含む): 22484085120

約数和(自身を除く): 1918680221

約数列:

[1, 13, 79, 401, 1027, 5213, 31679, 49937, 411827, 649181, 3945023, 20024737, 51285299, 260321581, 1581954223, 20565404899]

約数ペア:

[(1, 20565404899), (13, 1581954223), (79, 260321581), (401, 51285299), (1027, 20024737), (5213, 3945023), (31679, 649181), (49937, 411827)]