20432643

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13781757

約数列:

[1, 3, 7, 11, 21, 33, 77, 197, 231, 449, 591, 1347, 1379, 2167, 3143, 4137, 4939, 6501, 9429, 14817, 15169, 34573, 45507, 88453, 103719, 265359, 619171, 972983, 1857513, 2918949, 6810881, 20432643]

約数ペア:

[(1, 20432643), (3, 6810881), (7, 2918949), (11, 1857513), (21, 972983), (33, 619171), (77, 265359), (197, 103719), (231, 88453), (449, 45507), (591, 34573), (1347, 15169), (1379, 14817), (2167, 9429), (3143, 6501), (4137, 4939)]