20147401904

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2533627}}^1$

素因数の和:2533713

約数の個数: 40

約数和(自身を含む): 45240461568

約数和(自身を除く): 25093059664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 2533627, 5067254, 10134508, 17735389, 20269016, 35470778, 40538032, 70941556, 141883112, 179887517, 283766224, 359775034, 719550068, 1259212619, 1439100136, 2518425238, 2878200272, 5036850476, 10073700952, 20147401904]

約数ペア:

[(1, 20147401904), (2, 10073700952), (4, 5036850476), (7, 2878200272), (8, 2518425238), (14, 1439100136), (16, 1259212619), (28, 719550068), (56, 359775034), (71, 283766224), (112, 179887517), (142, 141883112), (284, 70941556), (497, 40538032), (568, 35470778), (994, 20269016), (1136, 17735389), (1988, 10134508), (3976, 5067254), (7952, 2533627)]