20835241

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 4445399

約数列:

[1, 7, 47, 49, 83, 109, 329, 581, 763, 2303, 3901, 4067, 5123, 5341, 9047, 27307, 35861, 63329, 191149, 251027, 425209, 443303, 2976463, 20835241]

約数ペア:

[(1, 20835241), (7, 2976463), (47, 443303), (49, 425209), (83, 251027), (109, 191149), (329, 63329), (581, 35861), (763, 27307), (2303, 9047), (3901, 5341), (4067, 5123)]