20695598

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 41112960

約数和(自身を除く): 20417362

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 643, 847, 1286, 1463, 1694, 2299, 2926, 4501, 4598, 7073, 9002, 12217, 14146, 16093, 24434, 32186, 49511, 77803, 85519, 99022, 134387, 155606, 171038, 268774, 544621, 940709, 1089242, 1478257, 1881418, 2956514, 10347799, 20695598]

約数ペア:

[(1, 20695598), (2, 10347799), (7, 2956514), (11, 1881418), (14, 1478257), (19, 1089242), (22, 940709), (38, 544621), (77, 268774), (121, 171038), (133, 155606), (154, 134387), (209, 99022), (242, 85519), (266, 77803), (418, 49511), (643, 32186), (847, 24434), (1286, 16093), (1463, 14146), (1694, 12217), (2299, 9002), (2926, 7073), (4501, 4598)]