20117178

素因数分解:

$2^1\times 3^2\times {\mathrm{971}}^1\times {\mathrm{1151}}^1$

素因数の和:2130

約数の個数: 24

約数和(自身を含む): 43670016

約数和(自身を除く): 23552838

約数列:

[1, 2, 3, 6, 9, 18, 971, 1151, 1942, 2302, 2913, 3453, 5826, 6906, 8739, 10359, 17478, 20718, 1117621, 2235242, 3352863, 6705726, 10058589, 20117178]

約数ペア:

[(1, 20117178), (2, 10058589), (3, 6705726), (6, 3352863), (9, 2235242), (18, 1117621), (971, 20718), (1151, 17478), (1942, 10359), (2302, 8739), (2913, 6906), (3453, 5826)]