20081138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6863}}^1$

素因数の和:6902

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19455502

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 6863, 13726, 48041, 75493, 96082, 130397, 150986, 260794, 528451, 912779, 1056902, 1434367, 1825558, 2868734, 10040569, 20081138]

約数ペア:

[(1, 20081138), (2, 10040569), (7, 2868734), (11, 1825558), (14, 1434367), (19, 1056902), (22, 912779), (38, 528451), (77, 260794), (133, 150986), (154, 130397), (209, 96082), (266, 75493), (418, 48041), (1463, 13726), (2926, 6863)]