20982896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7013}}^1$

素因数の和:7049

約数の個数: 40

約数和(自身を含む): 46965744

約数和(自身を除く): 25982848

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7013, 14026, 28052, 56104, 77143, 112208, 119221, 154286, 238442, 308572, 476884, 617144, 953768, 1234288, 1311431, 1907536, 2622862, 5245724, 10491448, 20982896]

約数ペア:

[(1, 20982896), (2, 10491448), (4, 5245724), (8, 2622862), (11, 1907536), (16, 1311431), (17, 1234288), (22, 953768), (34, 617144), (44, 476884), (68, 308572), (88, 238442), (136, 154286), (176, 119221), (187, 112208), (272, 77143), (374, 56104), (748, 28052), (1496, 14026), (2992, 7013)]