20841650305

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{71563}}^1$

素因数の和:71785

約数の個数: 32

約数和(自身を含む): 29308034304

約数和(自身を除く): 8466383999

約数列:

[1, 5, 7, 35, 53, 157, 265, 371, 785, 1099, 1855, 5495, 8321, 41605, 58247, 71563, 291235, 357815, 500941, 2504705, 3792839, 11235391, 18964195, 26549873, 56176955, 78647737, 132749365, 393238685, 595475723, 2977378615, 4168330061, 20841650305]

約数ペア:

[(1, 20841650305), (5, 4168330061), (7, 2977378615), (35, 595475723), (53, 393238685), (157, 132749365), (265, 78647737), (371, 56176955), (785, 26549873), (1099, 18964195), (1855, 11235391), (5495, 3792839), (8321, 2504705), (41605, 500941), (58247, 357815), (71563, 291235)]