20105248912

素因数分解:

$2^4\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{147503}}^1$

素因数の和:148735

約数の個数: 40

約数和(自身を含む): 44555648256

約数和(自身を除く): 24450399344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1217, 2434, 4868, 8519, 9736, 17038, 19472, 34076, 68152, 136304, 147503, 295006, 590012, 1032521, 1180024, 2065042, 2360048, 4130084, 8260168, 16520336, 179511151, 359022302, 718044604, 1256578057, 1436089208, 2513156114, 2872178416, 5026312228, 10052624456, 20105248912]

約数ペア:

[(1, 20105248912), (2, 10052624456), (4, 5026312228), (7, 2872178416), (8, 2513156114), (14, 1436089208), (16, 1256578057), (28, 718044604), (56, 359022302), (112, 179511151), (1217, 16520336), (2434, 8260168), (4868, 4130084), (8519, 2360048), (9736, 2065042), (17038, 1180024), (19472, 1032521), (34076, 590012), (68152, 295006), (136304, 147503)]