20463291

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1693}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11248389

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 1693, 4029, 5079, 12087, 15237, 28781, 86343, 133747, 259029, 401241, 1203723, 2273699, 6821097, 20463291]

約数ペア:

[(1, 20463291), (3, 6821097), (9, 2273699), (17, 1203723), (51, 401241), (79, 259029), (153, 133747), (237, 86343), (711, 28781), (1343, 15237), (1693, 12087), (4029, 5079)]