20703303

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 32126400

約数和(自身を除く): 11423097

約数列:

[1, 3, 9, 27, 29, 87, 137, 193, 261, 411, 579, 783, 1233, 1737, 3699, 3973, 5211, 5597, 11919, 16791, 26441, 35757, 50373, 79323, 107271, 151119, 237969, 713907, 766789, 2300367, 6901101, 20703303]

約数ペア:

[(1, 20703303), (3, 6901101), (9, 2300367), (27, 766789), (29, 713907), (87, 237969), (137, 151119), (193, 107271), (261, 79323), (411, 50373), (579, 35757), (783, 26441), (1233, 16791), (1737, 11919), (3699, 5597), (3973, 5211)]