20666386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27409}}^1$

素因数の和:27453

約数の個数: 16

約数和(自身を含む): 34536600

約数和(自身を除く): 13870214

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27409, 54818, 356317, 712634, 794861, 1589722, 10333193, 20666386]

約数ペア:

[(1, 20666386), (2, 10333193), (13, 1589722), (26, 794861), (29, 712634), (58, 356317), (377, 54818), (754, 27409)]