20166809439

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1187051}}^1$

素因数の和:1187870

約数の個数: 16

約数和(自身を含む): 30768387840

約数和(自身を除く): 10601578401

約数列:

[1, 3, 7, 21, 809, 2427, 5663, 16989, 1187051, 3561153, 8309357, 24928071, 960324259, 2880972777, 6722269813, 20166809439]

約数ペア:

[(1, 20166809439), (3, 6722269813), (7, 2880972777), (21, 960324259), (809, 24928071), (2427, 8309357), (5663, 3561153), (16989, 1187051)]