20187375985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 30653925120

約数和(自身を除く): 10466549135

約数列:

[1, 5, 7, 17, 35, 49, 59, 85, 113, 119, 245, 295, 413, 565, 595, 727, 791, 833, 1003, 1921, 2065, 2891, 3635, 3955, 4165, 5015, 5089, 5537, 6667, 7021, 9605, 12359, 13447, 14455, 25445, 27685, 33335, 35105, 35623, 42893, 46669, 49147, 61795, 67235, 82151, 86513, 94129, 113339, 178115, 214465, 233345, 245735, 300251, 326683, 410755, 432565, 470645, 566695, 575057, 605591, 729181, 793373, 1396567, 1501255, 1633415, 2101757, 2875285, 3027955, 3645905, 3966865, 4025399, 4846909, 5104267, 5553611, 6982835, 9775969, 10508785, 20126995, 24234545, 25521335, 27768055, 33928363, 35729869, 48879845, 68431783, 82397453, 169641815, 178649345, 237498541, 342158915, 411987265, 576782171, 1187492705, 2883910855, 4037475197, 20187375985]

約数ペア:

[(1, 20187375985), (5, 4037475197), (7, 2883910855), (17, 1187492705), (35, 576782171), (49, 411987265), (59, 342158915), (85, 237498541), (113, 178649345), (119, 169641815), (245, 82397453), (295, 68431783), (413, 48879845), (565, 35729869), (595, 33928363), (727, 27768055), (791, 25521335), (833, 24234545), (1003, 20126995), (1921, 10508785), (2065, 9775969), (2891, 6982835), (3635, 5553611), (3955, 5104267), (4165, 4846909), (5015, 4025399), (5089, 3966865), (5537, 3645905), (6667, 3027955), (7021, 2875285), (9605, 2101757), (12359, 1633415), (13447, 1501255), (14455, 1396567), (25445, 793373), (27685, 729181), (33335, 605591), (35105, 575057), (35623, 566695), (42893, 470645), (46669, 432565), (49147, 410755), (61795, 326683), (67235, 300251), (82151, 245735), (86513, 233345), (94129, 214465), (113339, 178115)]