20822815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2939}}^1$

素因数の和:3066

約数の個数: 16

約数和(自身を含む): 27165600

約数和(自身を除く): 6342785

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2939, 7085, 14695, 38207, 191035, 320351, 1601755, 4164563, 20822815]

約数ペア:

[(1, 20822815), (5, 4164563), (13, 1601755), (65, 320351), (109, 191035), (545, 38207), (1417, 14695), (2939, 7085)]