20344815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11027}}^1$

素因数の和:11079

約数の個数: 24

約数和(自身を含む): 36127728

約数和(自身を除く): 15782913

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11027, 33081, 55135, 99243, 165405, 452107, 496215, 1356321, 2260535, 4068963, 6781605, 20344815]

約数ペア:

[(1, 20344815), (3, 6781605), (5, 4068963), (9, 2260535), (15, 1356321), (41, 496215), (45, 452107), (123, 165405), (205, 99243), (369, 55135), (615, 33081), (1845, 11027)]