20257097

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 4257463

約数列:

[1, 7, 19, 133, 223, 683, 1561, 4237, 4781, 12977, 29659, 90839, 152309, 1066163, 2893871, 20257097]

約数ペア:

[(1, 20257097), (7, 2893871), (19, 1066163), (133, 152309), (223, 90839), (683, 29659), (1561, 12977), (4237, 4781)]