20748644

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10151}}^1$

素因数の和:10235

約数の個数: 24

約数和(自身を含む): 42069888

約数和(自身を除く): 21321244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10151, 20302, 40604, 71057, 142114, 284228, 741023, 1482046, 2964092, 5187161, 10374322, 20748644]

約数ペア:

[(1, 20748644), (2, 10374322), (4, 5187161), (7, 2964092), (14, 1482046), (28, 741023), (73, 284228), (146, 142114), (292, 71057), (511, 40604), (1022, 20302), (2044, 10151)]