20005144

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3527}}^1$

素因数の和:4242

約数の個数: 16

約数和(自身を含む): 37573200

約数和(自身を除く): 17568056

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 3527, 5672, 7054, 14108, 28216, 2500643, 5001286, 10002572, 20005144]

約数ペア:

[(1, 20005144), (2, 10002572), (4, 5001286), (8, 2500643), (709, 28216), (1418, 14108), (2836, 7054), (3527, 5672)]