20408736004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2153729}}^1$

素因数の和:2153859

約数の個数: 24

約数和(自身を含む): 37629970560

約数和(自身を除く): 17221234556

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2369, 4738, 9476, 2153729, 4307458, 8614916, 49535767, 99071534, 198143068, 221834087, 443668174, 887336348, 5102184001, 10204368002, 20408736004]

約数ペア:

[(1, 20408736004), (2, 10204368002), (4, 5102184001), (23, 887336348), (46, 443668174), (92, 221834087), (103, 198143068), (206, 99071534), (412, 49535767), (2369, 8614916), (4738, 4307458), (9476, 2153729)]