20129997887

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{785377}}^1$

素因数の和:785486

約数の個数: 12

約数和(自身を含む): 21544489296

約数和(自身を除く): 1414491409

約数列:

[1, 19, 71, 361, 1349, 25631, 785377, 14922163, 55761767, 283521097, 1059473573, 20129997887]

約数ペア:

[(1, 20129997887), (19, 1059473573), (71, 283521097), (361, 55761767), (1349, 14922163), (25631, 785377)]