20646480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86027}}^1$

素因数の和:86043

約数の個数: 40

約数和(自身を含む): 64004832

約数和(自身を除く): 43358352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86027, 172054, 258081, 344108, 430135, 516162, 688216, 860270, 1032324, 1290405, 1376432, 1720540, 2064648, 2580810, 3441080, 4129296, 5161620, 6882160, 10323240, 20646480]

約数ペア:

[(1, 20646480), (2, 10323240), (3, 6882160), (4, 5161620), (5, 4129296), (6, 3441080), (8, 2580810), (10, 2064648), (12, 1720540), (15, 1376432), (16, 1290405), (20, 1032324), (24, 860270), (30, 688216), (40, 516162), (48, 430135), (60, 344108), (80, 258081), (120, 172054), (240, 86027)]