20168690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1051}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 38629440

約数和(自身を除く): 18460750

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1051, 1919, 2102, 3838, 5255, 9595, 10510, 19190, 19969, 39938, 99845, 106151, 199690, 212302, 530755, 1061510, 2016869, 4033738, 10084345, 20168690]

約数ペア:

[(1, 20168690), (2, 10084345), (5, 4033738), (10, 2016869), (19, 1061510), (38, 530755), (95, 212302), (101, 199690), (190, 106151), (202, 99845), (505, 39938), (1010, 19969), (1051, 19190), (1919, 10510), (2102, 9595), (3838, 5255)]