20493228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 38341716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 113, 119, 127, 204, 226, 238, 254, 339, 357, 381, 452, 476, 508, 678, 714, 762, 791, 889, 1356, 1428, 1524, 1582, 1778, 1921, 2159, 2373, 2667, 3164, 3556, 3842, 4318, 4746, 5334, 5763, 6477, 7684, 8636, 9492, 10668, 11526, 12954, 13447, 14351, 15113, 23052, 25908, 26894, 28702, 30226, 40341, 43053, 45339, 53788, 57404, 60452, 80682, 86106, 90678, 100457, 161364, 172212, 181356, 200914, 243967, 301371, 401828, 487934, 602742, 731901, 975868, 1205484, 1463802, 1707769, 2927604, 3415538, 5123307, 6831076, 10246614, 20493228]

約数ペア:

[(1, 20493228), (2, 10246614), (3, 6831076), (4, 5123307), (6, 3415538), (7, 2927604), (12, 1707769), (14, 1463802), (17, 1205484), (21, 975868), (28, 731901), (34, 602742), (42, 487934), (51, 401828), (68, 301371), (84, 243967), (102, 200914), (113, 181356), (119, 172212), (127, 161364), (204, 100457), (226, 90678), (238, 86106), (254, 80682), (339, 60452), (357, 57404), (381, 53788), (452, 45339), (476, 43053), (508, 40341), (678, 30226), (714, 28702), (762, 26894), (791, 25908), (889, 23052), (1356, 15113), (1428, 14351), (1524, 13447), (1582, 12954), (1778, 11526), (1921, 10668), (2159, 9492), (2373, 8636), (2667, 7684), (3164, 6477), (3556, 5763), (3842, 5334), (4318, 4746)]