20199795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17489}}^1$

素因数の和:17515

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 20097165

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17489, 52467, 87445, 122423, 192379, 262335, 367269, 577137, 612115, 961895, 1346653, 1836345, 2885685, 4039959, 6733265, 20199795]

約数ペア:

[(1, 20199795), (3, 6733265), (5, 4039959), (7, 2885685), (11, 1836345), (15, 1346653), (21, 961895), (33, 612115), (35, 577137), (55, 367269), (77, 262335), (105, 192379), (165, 122423), (231, 87445), (385, 52467), (1155, 17489)]