20366955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 23662485

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 41, 45, 57, 63, 83, 95, 105, 123, 133, 171, 205, 249, 285, 287, 315, 369, 399, 415, 581, 615, 665, 747, 779, 855, 861, 1197, 1245, 1435, 1577, 1743, 1845, 1995, 2337, 2583, 2905, 3403, 3735, 3895, 4305, 4731, 5229, 5453, 5985, 7011, 7885, 8715, 10209, 11039, 11685, 12915, 14193, 16359, 17015, 23655, 23821, 26145, 27265, 30627, 33117, 35055, 49077, 51045, 55195, 64657, 70965, 71463, 81795, 99351, 119105, 153135, 165585, 193971, 214389, 245385, 323285, 357315, 452599, 496755, 581913, 969855, 1071945, 1357797, 2262995, 2909565, 4073391, 6788985, 20366955]

約数ペア:

[(1, 20366955), (3, 6788985), (5, 4073391), (7, 2909565), (9, 2262995), (15, 1357797), (19, 1071945), (21, 969855), (35, 581913), (41, 496755), (45, 452599), (57, 357315), (63, 323285), (83, 245385), (95, 214389), (105, 193971), (123, 165585), (133, 153135), (171, 119105), (205, 99351), (249, 81795), (285, 71463), (287, 70965), (315, 64657), (369, 55195), (399, 51045), (415, 49077), (581, 35055), (615, 33117), (665, 30627), (747, 27265), (779, 26145), (855, 23821), (861, 23655), (1197, 17015), (1245, 16359), (1435, 14193), (1577, 12915), (1743, 11685), (1845, 11039), (1995, 10209), (2337, 8715), (2583, 7885), (2905, 7011), (3403, 5985), (3735, 5453), (3895, 5229), (4305, 4731)]