20622938

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 37977984

約数和(自身を除く): 17355046

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 146, 238, 511, 1022, 1187, 1241, 2374, 2482, 8309, 8687, 16618, 17374, 20179, 40358, 86651, 141253, 173302, 282506, 606557, 1213114, 1473067, 2946134, 10311469, 20622938]

約数ペア:

[(1, 20622938), (2, 10311469), (7, 2946134), (14, 1473067), (17, 1213114), (34, 606557), (73, 282506), (119, 173302), (146, 141253), (238, 86651), (511, 40358), (1022, 20179), (1187, 17374), (1241, 16618), (2374, 8687), (2482, 8309)]