20490795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35027}}^1$

素因数の和:35051

約数の個数: 24

約数和(自身を含む): 38250576

約数和(自身を除く): 17759781

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35027, 105081, 175135, 315243, 455351, 525405, 1366053, 1576215, 2276755, 4098159, 6830265, 20490795]

約数ペア:

[(1, 20490795), (3, 6830265), (5, 4098159), (9, 2276755), (13, 1576215), (15, 1366053), (39, 525405), (45, 455351), (65, 315243), (117, 175135), (195, 105081), (585, 35027)]