20920902

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{65789}}^1$

素因数の和:65847

約数の個数: 16

約数和(自身を含む): 42631920

約数和(自身を除く): 21711018

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 65789, 131578, 197367, 394734, 3486817, 6973634, 10460451, 20920902]

約数ペア:

[(1, 20920902), (2, 10460451), (3, 6973634), (6, 3486817), (53, 394734), (106, 197367), (159, 131578), (318, 65789)]