20216394310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{351773}}^1$

素因数の和:352608

約数の個数: 32

約数和(自身を含む): 41638784832

約数和(自身を除く): 21422390522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 821, 1642, 4105, 5747, 8210, 11494, 28735, 57470, 351773, 703546, 1758865, 2462411, 3517730, 4924822, 12312055, 24624110, 288805633, 577611266, 1444028165, 2021639431, 2888056330, 4043278862, 10108197155, 20216394310]

約数ペア:

[(1, 20216394310), (2, 10108197155), (5, 4043278862), (7, 2888056330), (10, 2021639431), (14, 1444028165), (35, 577611266), (70, 288805633), (821, 24624110), (1642, 12312055), (4105, 4924822), (5747, 3517730), (8210, 2462411), (11494, 1758865), (28735, 703546), (57470, 351773)]