20091400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 54282240

約数和(自身を除く): 34190840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 113, 127, 140, 175, 200, 226, 254, 280, 350, 452, 508, 565, 635, 700, 791, 889, 904, 1016, 1130, 1270, 1400, 1582, 1778, 2260, 2540, 2825, 3164, 3175, 3556, 3955, 4445, 4520, 5080, 5650, 6328, 6350, 7112, 7910, 8890, 11300, 12700, 14351, 15820, 17780, 19775, 22225, 22600, 25400, 28702, 31640, 35560, 39550, 44450, 57404, 71755, 79100, 88900, 100457, 114808, 143510, 158200, 177800, 200914, 287020, 358775, 401828, 502285, 574040, 717550, 803656, 1004570, 1435100, 2009140, 2511425, 2870200, 4018280, 5022850, 10045700, 20091400]

約数ペア:

[(1, 20091400), (2, 10045700), (4, 5022850), (5, 4018280), (7, 2870200), (8, 2511425), (10, 2009140), (14, 1435100), (20, 1004570), (25, 803656), (28, 717550), (35, 574040), (40, 502285), (50, 401828), (56, 358775), (70, 287020), (100, 200914), (113, 177800), (127, 158200), (140, 143510), (175, 114808), (200, 100457), (226, 88900), (254, 79100), (280, 71755), (350, 57404), (452, 44450), (508, 39550), (565, 35560), (635, 31640), (700, 28702), (791, 25400), (889, 22600), (904, 22225), (1016, 19775), (1130, 17780), (1270, 15820), (1400, 14351), (1582, 12700), (1778, 11300), (2260, 8890), (2540, 7910), (2825, 7112), (3164, 6350), (3175, 6328), (3556, 5650), (3955, 5080), (4445, 4520)]