20199603152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{278017}}^1$

素因数の和:278283

約数の個数: 40

約数和(自身を含む): 41369078400

約数和(自身を除く): 21169475248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 478, 956, 1912, 3824, 4541, 9082, 18164, 36328, 72656, 278017, 556034, 1112068, 2224136, 4448272, 5282323, 10564646, 21129292, 42258584, 66446063, 84517168, 132892126, 265784252, 531568504, 1063137008, 1262475197, 2524950394, 5049900788, 10099801576, 20199603152]

約数ペア:

[(1, 20199603152), (2, 10099801576), (4, 5049900788), (8, 2524950394), (16, 1262475197), (19, 1063137008), (38, 531568504), (76, 265784252), (152, 132892126), (239, 84517168), (304, 66446063), (478, 42258584), (956, 21129292), (1912, 10564646), (3824, 5282323), (4541, 4448272), (9082, 2224136), (18164, 1112068), (36328, 556034), (72656, 278017)]