20883051

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{659}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 13711509

約数列:

[1, 3, 7, 9, 21, 63, 503, 659, 1509, 1977, 3521, 4527, 4613, 5931, 10563, 13839, 31689, 41517, 331477, 994431, 2320339, 2983293, 6961017, 20883051]

約数ペア:

[(1, 20883051), (3, 6961017), (7, 2983293), (9, 2320339), (21, 994431), (63, 331477), (503, 41517), (659, 31689), (1509, 13839), (1977, 10563), (3521, 5931), (4527, 4613)]