20187218987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{109103}}^1$

素因数の和:109490

約数の個数: 16

約数和(自身を含む): 22313077248

約数和(自身を除く): 2125858261

約数列:

[1, 13, 43, 331, 559, 4303, 14233, 109103, 185029, 1418339, 4691429, 36113093, 60988577, 469470209, 1552862999, 20187218987]

約数ペア:

[(1, 20187218987), (13, 1552862999), (43, 469470209), (331, 60988577), (559, 36113093), (4303, 4691429), (14233, 1418339), (109103, 185029)]