20700953

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 5023207

約数列:

[1, 7, 13, 91, 109, 763, 1417, 2087, 9919, 14609, 27131, 189917, 227483, 1592381, 2957279, 20700953]

約数ペア:

[(1, 20700953), (7, 2957279), (13, 1592381), (91, 227483), (109, 189917), (763, 27131), (1417, 14609), (2087, 9919)]