20023269

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20287}}^1$

素因数の和:20344

約数の個数: 16

約数和(自身を含む): 31162368

約数和(自身を除く): 11139099

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 20287, 60861, 142009, 426027, 953489, 2860467, 6674423, 20023269]

約数ペア:

[(1, 20023269), (3, 6674423), (7, 2860467), (21, 953489), (47, 426027), (141, 142009), (329, 60861), (987, 20287)]