17720747

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 20143104

約数和(自身を除く): 2422357

約数列:

[1, 11, 31, 157, 331, 341, 1727, 3641, 4867, 10261, 51967, 53537, 112871, 571637, 1610977, 17720747]

約数ペア:

[(1, 17720747), (11, 1610977), (31, 571637), (157, 112871), (331, 53537), (341, 51967), (1727, 10261), (3641, 4867)]