20757814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3643}}^1$

素因数の和:3700

約数の個数: 32

約数和(自身を含む): 39879936

約数和(自身を除く): 19122122

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3643, 5698, 7286, 25501, 40073, 51002, 80146, 134791, 269582, 280511, 561022, 943537, 1482701, 1887074, 2965402, 10378907, 20757814]

約数ペア:

[(1, 20757814), (2, 10378907), (7, 2965402), (11, 1887074), (14, 1482701), (22, 943537), (37, 561022), (74, 280511), (77, 269582), (154, 134791), (259, 80146), (407, 51002), (518, 40073), (814, 25501), (2849, 7286), (3643, 5698)]