20157223

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 23003136

約数和(自身を除く): 2845913

約数列:

[1, 17, 23, 31, 391, 527, 713, 1663, 12121, 28271, 38249, 51553, 650233, 876401, 1185719, 20157223]

約数ペア:

[(1, 20157223), (17, 1185719), (23, 876401), (31, 650233), (391, 51553), (527, 38249), (713, 28271), (1663, 12121)]