20257803

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4603}}^1$

素因数の和:4775

約数の個数: 16

約数和(自身を含む): 30202240

約数和(自身を除く): 9944437

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4603, 13809, 41427, 124281, 750289, 2250867, 6752601, 20257803]

約数ペア:

[(1, 20257803), (3, 6752601), (9, 2250867), (27, 750289), (163, 124281), (489, 41427), (1467, 13809), (4401, 4603)]