20495042

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 31350840

約数和(自身を除く): 10855798

約数列:

[1, 2, 73, 146, 229, 458, 613, 1226, 16717, 33434, 44749, 89498, 140377, 280754, 10247521, 20495042]

約数ペア:

[(1, 20495042), (2, 10247521), (73, 280754), (146, 140377), (229, 89498), (458, 44749), (613, 33434), (1226, 16717)]