20319376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16493}}^1$

素因数の和:16519

約数の個数: 40

約数和(自身を含む): 49086144

約数和(自身を除く): 28766768

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16493, 32986, 65972, 115451, 131944, 181423, 230902, 263888, 362846, 461804, 725692, 923608, 1269961, 1451384, 1847216, 2539922, 2902768, 5079844, 10159688, 20319376]

約数ペア:

[(1, 20319376), (2, 10159688), (4, 5079844), (7, 2902768), (8, 2539922), (11, 1847216), (14, 1451384), (16, 1269961), (22, 923608), (28, 725692), (44, 461804), (56, 362846), (77, 263888), (88, 230902), (112, 181423), (154, 131944), (176, 115451), (308, 65972), (616, 32986), (1232, 16493)]