20684236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2143}}^1$

素因数の和:2293

約数の個数: 24

約数和(自身を含む): 38420480

約数和(自身を除く): 17736244

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2143, 2413, 4286, 4826, 8572, 9652, 40717, 81434, 162868, 272161, 544322, 1088644, 5171059, 10342118, 20684236]

約数ペア:

[(1, 20684236), (2, 10342118), (4, 5171059), (19, 1088644), (38, 544322), (76, 272161), (127, 162868), (254, 81434), (508, 40717), (2143, 9652), (2413, 8572), (4286, 4826)]