20204145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34537}}^1$

素因数の和:34561

約数の個数: 24

約数和(自身を含む): 37715496

約数和(自身を除く): 17511351

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34537, 103611, 172685, 310833, 448981, 518055, 1346943, 1554165, 2244905, 4040829, 6734715, 20204145]

約数ペア:

[(1, 20204145), (3, 6734715), (5, 4040829), (9, 2244905), (13, 1554165), (15, 1346943), (39, 518055), (45, 448981), (65, 310833), (117, 172685), (195, 103611), (585, 34537)]