20906580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348443}}^1$

素因数の和:348455

約数の個数: 24

約数和(自身を含む): 58538592

約数和(自身を除く): 37632012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348443, 696886, 1045329, 1393772, 1742215, 2090658, 3484430, 4181316, 5226645, 6968860, 10453290, 20906580]

約数ペア:

[(1, 20906580), (2, 10453290), (3, 6968860), (4, 5226645), (5, 4181316), (6, 3484430), (10, 2090658), (12, 1742215), (15, 1393772), (20, 1045329), (30, 696886), (60, 348443)]