20013105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8325

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 18177999

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8287, 24861, 41435, 58009, 124305, 174027, 190601, 290045, 571803, 870135, 953005, 1334207, 2859015, 4002621, 6671035, 20013105]

約数ペア:

[(1, 20013105), (3, 6671035), (5, 4002621), (7, 2859015), (15, 1334207), (21, 953005), (23, 870135), (35, 571803), (69, 290045), (105, 190601), (115, 174027), (161, 124305), (345, 58009), (483, 41435), (805, 24861), (2415, 8287)]