20175954255

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{682427}}^1$

素因数の和:682517

約数の個数: 40

約数和(自身を含む): 36662761872

約数和(自身を除く): 16486807617

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5913, 9855, 29565, 682427, 2047281, 3412135, 6141843, 10236405, 18425529, 30709215, 49817171, 55276587, 92127645, 149451513, 249085855, 276382935, 448354539, 747257565, 1345063617, 2241772695, 4035190851, 6725318085, 20175954255]

約数ペア:

[(1, 20175954255), (3, 6725318085), (5, 4035190851), (9, 2241772695), (15, 1345063617), (27, 747257565), (45, 448354539), (73, 276382935), (81, 249085855), (135, 149451513), (219, 92127645), (365, 55276587), (405, 49817171), (657, 30709215), (1095, 18425529), (1971, 10236405), (3285, 6141843), (5913, 3412135), (9855, 2047281), (29565, 682427)]