20680166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1237}}^1$

素因数の和:1895

約数の個数: 16

約数和(自身を含む): 33485424

約数和(自身を除く): 12805258

約数列:

[1, 2, 13, 26, 643, 1237, 1286, 2474, 8359, 16081, 16718, 32162, 795391, 1590782, 10340083, 20680166]

約数ペア:

[(1, 20680166), (2, 10340083), (13, 1590782), (26, 795391), (643, 32162), (1237, 16718), (1286, 16081), (2474, 8359)]