20491696

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2131}}^1$

素因数の和:2740

約数の個数: 20

約数和(自身を含む): 39787384

約数和(自身を除く): 19295688

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2131, 2404, 4262, 4808, 8524, 9616, 17048, 34096, 1280731, 2561462, 5122924, 10245848, 20491696]

約数ペア:

[(1, 20491696), (2, 10245848), (4, 5122924), (8, 2561462), (16, 1280731), (601, 34096), (1202, 17048), (2131, 9616), (2404, 8524), (4262, 4808)]