20522264

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21587

約数の個数: 32

約数和(自身を含む): 46565280

約数和(自身を除く): 26043016

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21557, 43114, 86228, 150899, 172456, 301798, 366469, 603596, 732938, 1207192, 1465876, 2565283, 2931752, 5130566, 10261132, 20522264]

約数ペア:

[(1, 20522264), (2, 10261132), (4, 5130566), (7, 2931752), (8, 2565283), (14, 1465876), (17, 1207192), (28, 732938), (34, 603596), (56, 366469), (68, 301798), (119, 172456), (136, 150899), (238, 86228), (476, 43114), (952, 21557)]