20703278

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4243

約数の個数: 16

約数和(自身を含む): 32341680

約数和(自身を除く): 11638402

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4139, 5002, 8278, 169699, 252479, 339398, 504958, 10351639, 20703278]

約数ペア:

[(1, 20703278), (2, 10351639), (41, 504958), (61, 339398), (82, 252479), (122, 169699), (2501, 8278), (4139, 5002)]