20407352

素因数分解:

$2^3\times 7^1\times {\mathrm{364417}}^1$

素因数の和:364430

約数の個数: 16

約数和(自身を含む): 43730160

約数和(自身を除く): 23322808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364417, 728834, 1457668, 2550919, 2915336, 5101838, 10203676, 20407352]

約数ペア:

[(1, 20407352), (2, 10203676), (4, 5101838), (7, 2915336), (8, 2550919), (14, 1457668), (28, 728834), (56, 364417)]