20178332217

素因数分解:

$3^2\times {\mathrm{1627}}^1\times {\mathrm{1378019}}^1$

素因数の和:1379652

約数の個数: 12

約数和(自身を含む): 29164415280

約数和(自身を除く): 8986083063

約数列:

[1, 3, 9, 1627, 4881, 14643, 1378019, 4134057, 12402171, 2242036913, 6726110739, 20178332217]

約数ペア:

[(1, 20178332217), (3, 6726110739), (9, 2242036913), (1627, 12402171), (4881, 4134057), (14643, 1378019)]