20311335

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 39480480

約数和(自身を除く): 19169145

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1109, 1221, 1665, 2035, 3327, 3663, 5545, 6105, 9981, 12199, 16635, 18315, 36597, 41033, 49905, 60995, 109791, 123099, 182985, 205165, 369297, 451363, 548955, 615495, 1354089, 1846485, 2256815, 4062267, 6770445, 20311335]

約数ペア:

[(1, 20311335), (3, 6770445), (5, 4062267), (9, 2256815), (11, 1846485), (15, 1354089), (33, 615495), (37, 548955), (45, 451363), (55, 369297), (99, 205165), (111, 182985), (165, 123099), (185, 109791), (333, 60995), (407, 49905), (495, 41033), (555, 36597), (1109, 18315), (1221, 16635), (1665, 12199), (2035, 9981), (3327, 6105), (3663, 5545)]