20611435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 28159488

約数和(自身を除く): 7548053

約数列:

[1, 5, 13, 31, 53, 65, 155, 193, 265, 403, 689, 965, 1643, 2015, 2509, 3445, 5983, 8215, 10229, 12545, 21359, 29915, 51145, 77779, 106795, 132977, 317099, 388895, 664885, 1585495, 4122287, 20611435]

約数ペア:

[(1, 20611435), (5, 4122287), (13, 1585495), (31, 664885), (53, 388895), (65, 317099), (155, 132977), (193, 106795), (265, 77779), (403, 51145), (689, 29915), (965, 21359), (1643, 12545), (2015, 10229), (2509, 8215), (3445, 5983)]