20537902

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 38663424

約数和(自身を除く): 18125522

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 193, 386, 691, 1351, 1382, 2123, 2702, 4246, 4837, 7601, 9674, 14861, 15202, 29722, 53207, 106414, 133363, 266726, 933541, 1466993, 1867082, 2933986, 10268951, 20537902]

約数ペア:

[(1, 20537902), (2, 10268951), (7, 2933986), (11, 1867082), (14, 1466993), (22, 933541), (77, 266726), (154, 133363), (193, 106414), (386, 53207), (691, 29722), (1351, 15202), (1382, 14861), (2123, 9674), (2702, 7601), (4246, 4837)]