20490526

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5651}}^1$

素因数の和:5704

約数の個数: 24

約数和(自身を含む): 36726696

約数和(自身を除く): 16236170

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5651, 11302, 39557, 79114, 209087, 276899, 418174, 553798, 1463609, 2927218, 10245263, 20490526]

約数ペア:

[(1, 20490526), (2, 10245263), (7, 2927218), (14, 1463609), (37, 553798), (49, 418174), (74, 276899), (98, 209087), (259, 79114), (518, 39557), (1813, 11302), (3626, 5651)]