20776851

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 32215040

約数和(自身を除く): 11438189

約数列:

[1, 3, 9, 27, 31, 93, 103, 241, 279, 309, 723, 837, 927, 2169, 2781, 3193, 6507, 7471, 9579, 22413, 24823, 28737, 67239, 74469, 86211, 201717, 223407, 670221, 769513, 2308539, 6925617, 20776851]

約数ペア:

[(1, 20776851), (3, 6925617), (9, 2308539), (27, 769513), (31, 670221), (93, 223407), (103, 201717), (241, 86211), (279, 74469), (309, 67239), (723, 28737), (837, 24823), (927, 22413), (2169, 9579), (2781, 7471), (3193, 6507)]