20115095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4055

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 12302185

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 4019, 5005, 20095, 28133, 44209, 52247, 140665, 221045, 261235, 309463, 365729, 574717, 1547315, 1828645, 2873585, 4023019, 20115095]

約数ペア:

[(1, 20115095), (5, 4023019), (7, 2873585), (11, 1828645), (13, 1547315), (35, 574717), (55, 365729), (65, 309463), (77, 261235), (91, 221045), (143, 140665), (385, 52247), (455, 44209), (715, 28133), (1001, 20095), (4019, 5005)]