20494916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9613}}^1$

素因数の和:9671

約数の個数: 24

約数和(自身を含む): 39571224

約数和(自身を除く): 19076308

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9613, 19226, 38452, 124969, 249938, 394133, 499876, 788266, 1576532, 5123729, 10247458, 20494916]

約数ペア:

[(1, 20494916), (2, 10247458), (4, 5123729), (13, 1576532), (26, 788266), (41, 499876), (52, 394133), (82, 249938), (164, 124969), (533, 38452), (1066, 19226), (2132, 9613)]