20955526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8443}}^1$

素因数の和:8535

約数の個数: 16

約数和(自身を含む): 33742224

約数和(自身を除く): 12786698

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8443, 16886, 143531, 287062, 616339, 1232678, 10477763, 20955526]

約数ペア:

[(1, 20955526), (2, 10477763), (17, 1232678), (34, 616339), (73, 287062), (146, 143531), (1241, 16886), (2482, 8443)]