20295439

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 1736561

約数列:

[1, 19, 67, 107, 149, 1273, 2033, 2831, 7169, 9983, 15943, 136211, 189677, 302917, 1068181, 20295439]

約数ペア:

[(1, 20295439), (19, 1068181), (67, 302917), (107, 189677), (149, 136211), (1273, 15943), (2033, 9983), (2831, 7169)]