20218302005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{2609}}^1\times {\mathrm{12809}}^1$

素因数の和:15445

約数の個数: 24

約数和(自身を含む): 26680411800

約数和(自身を除く): 6462109795

約数列:

[1, 5, 11, 55, 121, 605, 2609, 12809, 13045, 28699, 64045, 140899, 143495, 315689, 704495, 1549889, 1578445, 7749445, 33418681, 167093405, 367605491, 1838027455, 4043660401, 20218302005]

約数ペア:

[(1, 20218302005), (5, 4043660401), (11, 1838027455), (55, 367605491), (121, 167093405), (605, 33418681), (2609, 7749445), (12809, 1578445), (13045, 1549889), (28699, 704495), (64045, 315689), (140899, 143495)]