20039650

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3677}}^1$

素因数の和:3798

約数の個数: 24

約数和(自身を含む): 37625940

約数和(自身を除く): 17586290

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3677, 5450, 7354, 18385, 36770, 91925, 183850, 400793, 801586, 2003965, 4007930, 10019825, 20039650]

約数ペア:

[(1, 20039650), (2, 10019825), (5, 4007930), (10, 2003965), (25, 801586), (50, 400793), (109, 183850), (218, 91925), (545, 36770), (1090, 18385), (2725, 7354), (3677, 5450)]