20662912

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 41570100

約数和(自身を除く): 20907188

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1481, 1744, 2962, 3488, 5924, 6976, 11848, 13952, 23696, 47392, 94784, 161429, 189568, 322858, 645716, 1291432, 2582864, 5165728, 10331456, 20662912]

約数ペア:

[(1, 20662912), (2, 10331456), (4, 5165728), (8, 2582864), (16, 1291432), (32, 645716), (64, 322858), (109, 189568), (128, 161429), (218, 94784), (436, 47392), (872, 23696), (1481, 13952), (1744, 11848), (2962, 6976), (3488, 5924)]