20898802

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 31969080

約数和(自身を除く): 11070278

約数列:

[1, 2, 89, 137, 178, 274, 857, 1714, 12193, 24386, 76273, 117409, 152546, 234818, 10449401, 20898802]

約数ペア:

[(1, 20898802), (2, 10449401), (89, 234818), (137, 152546), (178, 117409), (274, 76273), (857, 24386), (1714, 12193)]