20179341

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 37847040

約数和(自身を除く): 17667699

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 189, 191, 273, 301, 351, 387, 559, 573, 819, 903, 1161, 1337, 1677, 1719, 2457, 2483, 2709, 3913, 4011, 5031, 5157, 7449, 8127, 8213, 11739, 12033, 15093, 17381, 22347, 24639, 35217, 36099, 52143, 57491, 67041, 73917, 105651, 106769, 156429, 172473, 221751, 320307, 469287, 517419, 747383, 960921, 1552257, 2242149, 2882763, 6726447, 20179341]

約数ペア:

[(1, 20179341), (3, 6726447), (7, 2882763), (9, 2242149), (13, 1552257), (21, 960921), (27, 747383), (39, 517419), (43, 469287), (63, 320307), (91, 221751), (117, 172473), (129, 156429), (189, 106769), (191, 105651), (273, 73917), (301, 67041), (351, 57491), (387, 52143), (559, 36099), (573, 35217), (819, 24639), (903, 22347), (1161, 17381), (1337, 15093), (1677, 12033), (1719, 11739), (2457, 8213), (2483, 8127), (2709, 7449), (3913, 5157), (4011, 5031)]