20335672

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 27020168

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 56, 68, 82, 119, 136, 164, 238, 287, 328, 476, 521, 574, 697, 952, 1042, 1148, 1394, 2084, 2296, 2788, 3647, 4168, 4879, 5576, 7294, 8857, 9758, 14588, 17714, 19516, 21361, 29176, 35428, 39032, 42722, 61999, 70856, 85444, 123998, 149527, 170888, 247996, 299054, 363137, 495992, 598108, 726274, 1196216, 1452548, 2541959, 2905096, 5083918, 10167836, 20335672]

約数ペア:

[(1, 20335672), (2, 10167836), (4, 5083918), (7, 2905096), (8, 2541959), (14, 1452548), (17, 1196216), (28, 726274), (34, 598108), (41, 495992), (56, 363137), (68, 299054), (82, 247996), (119, 170888), (136, 149527), (164, 123998), (238, 85444), (287, 70856), (328, 61999), (476, 42722), (521, 39032), (574, 35428), (697, 29176), (952, 21361), (1042, 19516), (1148, 17714), (1394, 14588), (2084, 9758), (2296, 8857), (2788, 7294), (3647, 5576), (4168, 4879)]