20097231

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 35405568

約数和(自身を除く): 15308337

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 241, 361, 399, 627, 723, 1083, 1463, 1687, 2527, 2651, 3971, 4389, 4579, 5061, 7581, 7953, 11913, 13737, 18557, 27797, 32053, 50369, 55671, 83391, 87001, 96159, 151107, 261003, 352583, 609007, 957011, 1057749, 1827021, 2871033, 6699077, 20097231]

約数ペア:

[(1, 20097231), (3, 6699077), (7, 2871033), (11, 1827021), (19, 1057749), (21, 957011), (33, 609007), (57, 352583), (77, 261003), (133, 151107), (209, 96159), (231, 87001), (241, 83391), (361, 55671), (399, 50369), (627, 32053), (723, 27797), (1083, 18557), (1463, 13737), (1687, 11913), (2527, 7953), (2651, 7581), (3971, 5061), (4389, 4579)]