20694267

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 33971392

約数和(自身を除く): 13277125

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 121, 279, 341, 363, 613, 1023, 1089, 1839, 3069, 3751, 5517, 6743, 11253, 19003, 20229, 33759, 57009, 60687, 74173, 171027, 209033, 222519, 627099, 667557, 1881297, 2299363, 6898089, 20694267]

約数ペア:

[(1, 20694267), (3, 6898089), (9, 2299363), (11, 1881297), (31, 667557), (33, 627099), (93, 222519), (99, 209033), (121, 171027), (279, 74173), (341, 60687), (363, 57009), (613, 33759), (1023, 20229), (1089, 19003), (1839, 11253), (3069, 6743), (3751, 5517)]