20408752012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1833341}}^1$

素因数の和:1833390

約数の個数: 36

約数和(自身を含む): 40964193648

約数和(自身を除く): 20555441636

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 242, 253, 484, 506, 1012, 2783, 5566, 11132, 1833341, 3666682, 7333364, 20166751, 40333502, 42166843, 80667004, 84333686, 168667372, 221834261, 443668522, 463835273, 887337044, 927670546, 1855341092, 5102188003, 10204376006, 20408752012]

約数ペア:

[(1, 20408752012), (2, 10204376006), (4, 5102188003), (11, 1855341092), (22, 927670546), (23, 887337044), (44, 463835273), (46, 443668522), (92, 221834261), (121, 168667372), (242, 84333686), (253, 80667004), (484, 42166843), (506, 40333502), (1012, 20166751), (2783, 7333364), (5566, 3666682), (11132, 1833341)]