20333224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 40582080

約数和(自身を除く): 20248856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 487, 614, 974, 1228, 1948, 2456, 3896, 5219, 8279, 10438, 16558, 20876, 33116, 41752, 66232, 149509, 299018, 598036, 1196072, 2541653, 5083306, 10166612, 20333224]

約数ペア:

[(1, 20333224), (2, 10166612), (4, 5083306), (8, 2541653), (17, 1196072), (34, 598036), (68, 299018), (136, 149509), (307, 66232), (487, 41752), (614, 33116), (974, 20876), (1228, 16558), (1948, 10438), (2456, 8279), (3896, 5219)]