20470268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56237}}^1$

素因数の和:56261

約数の個数: 24

約数和(自身を含む): 44090592

約数和(自身を除く): 23620324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56237, 112474, 224948, 393659, 731081, 787318, 1462162, 1574636, 2924324, 5117567, 10235134, 20470268]

約数ペア:

[(1, 20470268), (2, 10235134), (4, 5117567), (7, 2924324), (13, 1574636), (14, 1462162), (26, 787318), (28, 731081), (52, 393659), (91, 224948), (182, 112474), (364, 56237)]