16748980

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1237}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 35253288

約数和(自身を除く): 18504308

約数列:

[1, 2, 4, 5, 10, 20, 677, 1237, 1354, 2474, 2708, 3385, 4948, 6185, 6770, 12370, 13540, 24740, 837449, 1674898, 3349796, 4187245, 8374490, 16748980]

約数ペア:

[(1, 16748980), (2, 8374490), (4, 4187245), (5, 3349796), (10, 1674898), (20, 837449), (677, 24740), (1237, 13540), (1354, 12370), (2474, 6770), (2708, 6185), (3385, 4948)]