20779212

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 51287040

約数和(自身を除く): 30507828

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 948, 953, 1817, 1906, 2859, 3634, 3812, 5451, 5718, 7268, 10902, 11436, 21804, 21919, 43838, 65757, 75287, 87676, 131514, 150574, 225861, 263028, 301148, 451722, 903444, 1731601, 3463202, 5194803, 6926404, 10389606, 20779212]

約数ペア:

[(1, 20779212), (2, 10389606), (3, 6926404), (4, 5194803), (6, 3463202), (12, 1731601), (23, 903444), (46, 451722), (69, 301148), (79, 263028), (92, 225861), (138, 150574), (158, 131514), (237, 87676), (276, 75287), (316, 65757), (474, 43838), (948, 21919), (953, 21804), (1817, 11436), (1906, 10902), (2859, 7268), (3634, 5718), (3812, 5451)]