20908095

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{599}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15379905

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 599, 895, 1797, 2327, 2685, 2995, 6981, 7787, 8985, 11635, 23361, 34905, 38935, 107221, 116805, 321663, 536105, 1393873, 1608315, 4181619, 6969365, 20908095]

約数ペア:

[(1, 20908095), (3, 6969365), (5, 4181619), (13, 1608315), (15, 1393873), (39, 536105), (65, 321663), (179, 116805), (195, 107221), (537, 38935), (599, 34905), (895, 23361), (1797, 11635), (2327, 8985), (2685, 7787), (2995, 6981)]