20307195

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5437}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 35629776

約数和(自身を除く): 15322581

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5437, 16311, 27185, 48933, 81555, 244665, 451271, 1353813, 2256355, 4061439, 6769065, 20307195]

約数ペア:

[(1, 20307195), (3, 6769065), (5, 4061439), (9, 2256355), (15, 1353813), (45, 451271), (83, 244665), (249, 81555), (415, 48933), (747, 27185), (1245, 16311), (3735, 5437)]