20343987

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{3571}}^1$

素因数の和:3791

約数の個数: 16

約数和(自身を含む): 30290560

約数和(自身を除く): 9946573

約数列:

[1, 3, 9, 27, 211, 633, 1899, 3571, 5697, 10713, 32139, 96417, 753481, 2260443, 6781329, 20343987]

約数ペア:

[(1, 20343987), (3, 6781329), (9, 2260443), (27, 753481), (211, 96417), (633, 32139), (1899, 10713), (3571, 5697)]