20295495

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 19794105

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 79, 99, 135, 165, 173, 237, 297, 395, 495, 519, 711, 865, 869, 1185, 1485, 1557, 1903, 2133, 2595, 2607, 3555, 4345, 4671, 5709, 7785, 7821, 9515, 10665, 13035, 13667, 17127, 23355, 23463, 28545, 39105, 41001, 51381, 68335, 85635, 117315, 123003, 150337, 205005, 256905, 369009, 451011, 615015, 751685, 1353033, 1845045, 2255055, 4059099, 6765165, 20295495]

約数ペア:

[(1, 20295495), (3, 6765165), (5, 4059099), (9, 2255055), (11, 1845045), (15, 1353033), (27, 751685), (33, 615015), (45, 451011), (55, 369009), (79, 256905), (99, 205005), (135, 150337), (165, 123003), (173, 117315), (237, 85635), (297, 68335), (395, 51381), (495, 41001), (519, 39105), (711, 28545), (865, 23463), (869, 23355), (1185, 17127), (1485, 13667), (1557, 13035), (1903, 10665), (2133, 9515), (2595, 7821), (2607, 7785), (3555, 5709), (4345, 4671)]