20291488

素因数分解:

$2^5\times 7^2\times {\mathrm{12941}}^1$

素因数の和:12965

約数の個数: 36

約数和(自身を含む): 46474722

約数和(自身を除く): 26183234

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12941, 25882, 51764, 90587, 103528, 181174, 207056, 362348, 414112, 634109, 724696, 1268218, 1449392, 2536436, 2898784, 5072872, 10145744, 20291488]

約数ペア:

[(1, 20291488), (2, 10145744), (4, 5072872), (7, 2898784), (8, 2536436), (14, 1449392), (16, 1268218), (28, 724696), (32, 634109), (49, 414112), (56, 362348), (98, 207056), (112, 181174), (196, 103528), (224, 90587), (392, 51764), (784, 25882), (1568, 12941)]