20761657888

素因数分解:

$2^5\times {\mathrm{971}}^1\times {\mathrm{668179}}^1$

素因数の和:669160

約数の個数: 24

約数和(自身を含む): 40916670480

約数和(自身を除く): 20155012592

約数列:

[1, 2, 4, 8, 16, 32, 971, 1942, 3884, 7768, 15536, 31072, 668179, 1336358, 2672716, 5345432, 10690864, 21381728, 648801809, 1297603618, 2595207236, 5190414472, 10380828944, 20761657888]

約数ペア:

[(1, 20761657888), (2, 10380828944), (4, 5190414472), (8, 2595207236), (16, 1297603618), (32, 648801809), (971, 21381728), (1942, 10690864), (3884, 5345432), (7768, 2672716), (15536, 1336358), (31072, 668179)]