20097999

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{47513}}^1$

素因数の和:47566

約数の個数: 12

約数和(自身を含む): 29648736

約数和(自身を除く): 9550737

約数列:

[1, 3, 9, 47, 141, 423, 47513, 142539, 427617, 2233111, 6699333, 20097999]

約数ペア:

[(1, 20097999), (3, 6699333), (9, 2233111), (47, 427617), (141, 142539), (423, 47513)]