20158788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129223}}^1$

素因数の和:129243

約数の個数: 24

約数和(自身を含む): 50655808

約数和(自身を除く): 30497020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129223, 258446, 387669, 516892, 775338, 1550676, 1679899, 3359798, 5039697, 6719596, 10079394, 20158788]

約数ペア:

[(1, 20158788), (2, 10079394), (3, 6719596), (4, 5039697), (6, 3359798), (12, 1679899), (13, 1550676), (26, 775338), (39, 516892), (52, 387669), (78, 258446), (156, 129223)]