20926215

素因数分解:

$3^3\times 5^1\times {\mathrm{155009}}^1$

素因数の和:155023

約数の個数: 16

約数和(自身を含む): 37202400

約数和(自身を除く): 16276185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155009, 465027, 775045, 1395081, 2325135, 4185243, 6975405, 20926215]

約数ペア:

[(1, 20926215), (3, 6975405), (5, 4185243), (9, 2325135), (15, 1395081), (27, 775045), (45, 465027), (135, 155009)]