20267802

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15859}}^1$

素因数の和:15938

約数の個数: 24

約数和(自身を含む): 44534880

約数和(自身を除く): 24267078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15859, 31718, 47577, 95154, 142731, 285462, 1125989, 2251978, 3377967, 6755934, 10133901, 20267802]

約数ペア:

[(1, 20267802), (2, 10133901), (3, 6755934), (6, 3377967), (9, 2251978), (18, 1125989), (71, 285462), (142, 142731), (213, 95154), (426, 47577), (639, 31718), (1278, 15859)]