20442157

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 1860563

約数列:

[1, 19, 43, 131, 191, 817, 2489, 3629, 5633, 8213, 25021, 107027, 156047, 475399, 1075903, 20442157]

約数ペア:

[(1, 20442157), (19, 1075903), (43, 475399), (131, 156047), (191, 107027), (817, 25021), (2489, 8213), (3629, 5633)]