20646978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24592062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 307, 614, 921, 1019, 1842, 2038, 3057, 3377, 6114, 6754, 10131, 11209, 20262, 22418, 33627, 67254, 312833, 625666, 938499, 1876998, 3441163, 6882326, 10323489, 20646978]

約数ペア:

[(1, 20646978), (2, 10323489), (3, 6882326), (6, 3441163), (11, 1876998), (22, 938499), (33, 625666), (66, 312833), (307, 67254), (614, 33627), (921, 22418), (1019, 20262), (1842, 11209), (2038, 10131), (3057, 6754), (3377, 6114)]