20002689065

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{2441}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 24989513472

約数和(自身を除く): 4986824407

約数列:

[1, 5, 41, 71, 205, 355, 563, 2441, 2815, 2911, 12205, 14555, 23083, 39973, 100081, 115415, 173311, 199865, 500405, 866555, 1374283, 1638893, 6871415, 7105751, 8194465, 35528755, 56345603, 97574093, 281728015, 487870465, 4000537813, 20002689065]

約数ペア:

[(1, 20002689065), (5, 4000537813), (41, 487870465), (71, 281728015), (205, 97574093), (355, 56345603), (563, 35528755), (2441, 8194465), (2815, 7105751), (2911, 6871415), (12205, 1638893), (14555, 1374283), (23083, 866555), (39973, 500405), (100081, 199865), (115415, 173311)]