20824765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{761}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 27011376

約数和(自身を除く): 6186611

約数列:

[1, 5, 13, 65, 421, 761, 2105, 3805, 5473, 9893, 27365, 49465, 320381, 1601905, 4164953, 20824765]

約数ペア:

[(1, 20824765), (5, 4164953), (13, 1601905), (65, 320381), (421, 49465), (761, 27365), (2105, 9893), (3805, 5473)]