20665346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11863}}^1$

素因数の和:11945

約数の個数: 16

約数和(自身を含む): 33883584

約数和(自身を除く): 13218238

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11863, 23726, 154219, 308438, 794821, 1589642, 10332673, 20665346]

約数ペア:

[(1, 20665346), (2, 10332673), (13, 1589642), (26, 794821), (67, 308438), (134, 154219), (871, 23726), (1742, 11863)]