20369965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 30760704

約数和(自身を除く): 10390739

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 337, 385, 785, 1099, 1685, 1727, 2359, 3707, 5495, 8635, 11795, 12089, 18535, 25949, 52909, 60445, 129745, 264545, 370363, 581999, 1851815, 2909995, 4073993, 20369965]

約数ペア:

[(1, 20369965), (5, 4073993), (7, 2909995), (11, 1851815), (35, 581999), (55, 370363), (77, 264545), (157, 129745), (337, 60445), (385, 52909), (785, 25949), (1099, 18535), (1685, 12089), (1727, 11795), (2359, 8635), (3707, 5495)]