20572747

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2651573

約数列:

[1, 13, 31, 71, 403, 719, 923, 2201, 9347, 22289, 28613, 51049, 289757, 663637, 1582519, 20572747]

約数ペア:

[(1, 20572747), (13, 1582519), (31, 663637), (71, 289757), (403, 51049), (719, 28613), (923, 22289), (2201, 9347)]