20465072

素因数分解:

$2^4\times {\mathrm{1051}}^1\times {\mathrm{1217}}^1$

素因数の和:2276

約数の個数: 20

約数和(自身を含む): 39721416

約数和(自身を除く): 19256344

約数列:

[1, 2, 4, 8, 16, 1051, 1217, 2102, 2434, 4204, 4868, 8408, 9736, 16816, 19472, 1279067, 2558134, 5116268, 10232536, 20465072]

約数ペア:

[(1, 20465072), (2, 10232536), (4, 5116268), (8, 2558134), (16, 1279067), (1051, 19472), (1217, 16816), (2102, 9736), (2434, 8408), (4204, 4868)]