20856407206

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{3259}}^1$

素因数の和:3736

約数の個数: 32

約数和(自身を含む): 31986468000

約数和(自身を除く): 11130060794

約数列:

[1, 2, 89, 157, 178, 229, 314, 458, 3259, 6518, 13973, 20381, 27946, 35953, 40762, 71906, 290051, 511663, 580102, 746311, 1023326, 1492622, 3199817, 6399634, 45538007, 66421679, 91076014, 117170827, 132843358, 234341654, 10428203603, 20856407206]

約数ペア:

[(1, 20856407206), (2, 10428203603), (89, 234341654), (157, 132843358), (178, 117170827), (229, 91076014), (314, 66421679), (458, 45538007), (3259, 6399634), (6518, 3199817), (13973, 1492622), (20381, 1023326), (27946, 746311), (35953, 580102), (40762, 511663), (71906, 290051)]