20796870411

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1\times {\mathrm{4493}}^1$

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 31968518400

約数和(自身を除く): 11171647989

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 379, 531, 1137, 1357, 3411, 4071, 4493, 8717, 12213, 13479, 22361, 26151, 40437, 67083, 78453, 103339, 201249, 265087, 310017, 514303, 795261, 930051, 1542909, 1702847, 2385783, 4628727, 5108541, 6097001, 15325623, 18291003, 39165481, 54873009, 100467973, 117496443, 301403919, 352489329, 904211757, 2310763379, 6932290137, 20796870411]

約数ペア:

[(1, 20796870411), (3, 6932290137), (9, 2310763379), (23, 904211757), (59, 352489329), (69, 301403919), (177, 117496443), (207, 100467973), (379, 54873009), (531, 39165481), (1137, 18291003), (1357, 15325623), (3411, 6097001), (4071, 5108541), (4493, 4628727), (8717, 2385783), (12213, 1702847), (13479, 1542909), (22361, 930051), (26151, 795261), (40437, 514303), (67083, 310017), (78453, 265087), (103339, 201249)]