20458908

素因数分解:

$2^2\times 3^2\times {\mathrm{568303}}^1$

素因数の和:568313

約数の個数: 18

約数和(自身を含む): 51715664

約数和(自身を除く): 31256756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 568303, 1136606, 1704909, 2273212, 3409818, 5114727, 6819636, 10229454, 20458908]

約数ペア:

[(1, 20458908), (2, 10229454), (3, 6819636), (4, 5114727), (6, 3409818), (9, 2273212), (12, 1704909), (18, 1136606), (36, 568303)]