20802470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160019}}^1$

素因数の和:160039

約数の個数: 16

約数和(自身を含む): 40325040

約数和(自身を除く): 19522570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160019, 320038, 800095, 1600190, 2080247, 4160494, 10401235, 20802470]

約数ペア:

[(1, 20802470), (2, 10401235), (5, 4160494), (10, 2080247), (13, 1600190), (26, 800095), (65, 320038), (130, 160019)]