20682585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 46006272

約数和(自身を除く): 25323687

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 47, 55, 63, 77, 99, 105, 127, 141, 165, 231, 235, 315, 329, 381, 385, 423, 495, 517, 635, 693, 705, 889, 987, 1143, 1155, 1397, 1551, 1645, 1905, 2115, 2585, 2667, 2961, 3465, 3619, 4191, 4445, 4653, 4935, 5715, 5969, 6985, 7755, 8001, 9779, 10857, 12573, 13335, 14805, 17907, 18095, 20955, 23265, 29337, 29845, 32571, 40005, 41783, 48895, 53721, 54285, 62865, 65659, 88011, 89535, 125349, 146685, 162855, 196977, 208915, 268605, 328295, 376047, 440055, 459613, 590931, 626745, 984885, 1378839, 1880235, 2298065, 2954655, 4136517, 6894195, 20682585]

約数ペア:

[(1, 20682585), (3, 6894195), (5, 4136517), (7, 2954655), (9, 2298065), (11, 1880235), (15, 1378839), (21, 984885), (33, 626745), (35, 590931), (45, 459613), (47, 440055), (55, 376047), (63, 328295), (77, 268605), (99, 208915), (105, 196977), (127, 162855), (141, 146685), (165, 125349), (231, 89535), (235, 88011), (315, 65659), (329, 62865), (381, 54285), (385, 53721), (423, 48895), (495, 41783), (517, 40005), (635, 32571), (693, 29845), (705, 29337), (889, 23265), (987, 20955), (1143, 18095), (1155, 17907), (1397, 14805), (1551, 13335), (1645, 12573), (1905, 10857), (2115, 9779), (2585, 8001), (2667, 7755), (2961, 6985), (3465, 5969), (3619, 5715), (4191, 4935), (4445, 4653)]