20325688

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41651}}^1$

素因数の和:41718

約数の個数: 16

約数和(自身を含む): 38736360

約数和(自身を除く): 18410672

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41651, 83302, 166604, 333208, 2540711, 5081422, 10162844, 20325688]

約数ペア:

[(1, 20325688), (2, 10162844), (4, 5081422), (8, 2540711), (61, 333208), (122, 166604), (244, 83302), (488, 41651)]