20760.000000

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 1443360

約数和(自身を除く): 797968

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 193, 209, 304, 386, 418, 772, 836, 1544, 1672, 2123, 3088, 3344, 3667, 4246, 7334, 8492, 14668, 16984, 29336, 33968, 40337, 58672, 80674, 161348, 322696, 645392]

約数ペア:

[(1, 645392), (2, 322696), (4, 161348), (8, 80674), (11, 58672), (16, 40337), (19, 33968), (22, 29336), (38, 16984), (44, 14668), (76, 8492), (88, 7334), (152, 4246), (176, 3667), (193, 3344), (209, 3088), (304, 2123), (386, 1672), (418, 1544), (772, 836)]