20264865

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 33699456

約数和(自身を除く): 13434591

約数列:

[1, 3, 5, 15, 41, 83, 123, 205, 249, 397, 415, 615, 1191, 1245, 1985, 3403, 5955, 10209, 16277, 17015, 32951, 48831, 51045, 81385, 98853, 164755, 244155, 494265, 1350991, 4052973, 6754955, 20264865]

約数ペア:

[(1, 20264865), (3, 6754955), (5, 4052973), (15, 1350991), (41, 494265), (83, 244155), (123, 164755), (205, 98853), (249, 81385), (397, 51045), (415, 48831), (615, 32951), (1191, 17015), (1245, 16277), (1985, 10209), (3403, 5955)]