20367489

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1289}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 28483200

約数和(自身を除く): 8115711

約数列:

[1, 3, 23, 69, 229, 687, 1289, 3867, 5267, 15801, 29647, 88941, 295181, 885543, 6789163, 20367489]

約数ペア:

[(1, 20367489), (3, 6789163), (23, 885543), (69, 295181), (229, 88941), (687, 29647), (1289, 15801), (3867, 5267)]