20772120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45583080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 47, 58, 60, 87, 94, 116, 120, 127, 141, 145, 174, 188, 232, 235, 254, 282, 290, 348, 376, 381, 435, 470, 508, 564, 580, 635, 696, 705, 762, 870, 940, 1016, 1128, 1160, 1270, 1363, 1410, 1524, 1740, 1880, 1905, 2540, 2726, 2820, 3048, 3480, 3683, 3810, 4089, 5080, 5452, 5640, 5969, 6815, 7366, 7620, 8178, 10904, 11049, 11938, 13630, 14732, 15240, 16356, 17907, 18415, 20445, 22098, 23876, 27260, 29464, 29845, 32712, 35814, 36830, 40890, 44196, 47752, 54520, 55245, 59690, 71628, 73660, 81780, 88392, 89535, 110490, 119380, 143256, 147320, 163560, 173101, 179070, 220980, 238760, 346202, 358140, 441960, 519303, 692404, 716280, 865505, 1038606, 1384808, 1731010, 2077212, 2596515, 3462020, 4154424, 5193030, 6924040, 10386060, 20772120]

約数ペア:

[(1, 20772120), (2, 10386060), (3, 6924040), (4, 5193030), (5, 4154424), (6, 3462020), (8, 2596515), (10, 2077212), (12, 1731010), (15, 1384808), (20, 1038606), (24, 865505), (29, 716280), (30, 692404), (40, 519303), (47, 441960), (58, 358140), (60, 346202), (87, 238760), (94, 220980), (116, 179070), (120, 173101), (127, 163560), (141, 147320), (145, 143256), (174, 119380), (188, 110490), (232, 89535), (235, 88392), (254, 81780), (282, 73660), (290, 71628), (348, 59690), (376, 55245), (381, 54520), (435, 47752), (470, 44196), (508, 40890), (564, 36830), (580, 35814), (635, 32712), (696, 29845), (705, 29464), (762, 27260), (870, 23876), (940, 22098), (1016, 20445), (1128, 18415), (1160, 17907), (1270, 16356), (1363, 15240), (1410, 14732), (1524, 13630), (1740, 11938), (1880, 11049), (1905, 10904), (2540, 8178), (2726, 7620), (2820, 7366), (3048, 6815), (3480, 5969), (3683, 5640), (3810, 5452), (4089, 5080)]