20827209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2767}}^1$

素因数の和:2976

約数の個数: 16

約数和(自身を含む): 30071552

約数和(自身を除く): 9244343

約数列:

[1, 3, 13, 39, 193, 579, 2509, 2767, 7527, 8301, 35971, 107913, 534031, 1602093, 6942403, 20827209]

約数ペア:

[(1, 20827209), (3, 6942403), (13, 1602093), (39, 534031), (193, 107913), (579, 35971), (2509, 8301), (2767, 7527)]