20913060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 74027520

約数和(自身を除く): 53114460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 29, 30, 34, 35, 42, 51, 58, 60, 68, 70, 84, 85, 87, 101, 102, 105, 116, 119, 140, 145, 170, 174, 202, 203, 204, 210, 238, 255, 290, 303, 340, 348, 357, 404, 406, 420, 435, 476, 493, 505, 510, 580, 595, 606, 609, 707, 714, 812, 870, 986, 1010, 1015, 1020, 1190, 1212, 1218, 1414, 1428, 1479, 1515, 1717, 1740, 1785, 1972, 2020, 2030, 2121, 2380, 2436, 2465, 2828, 2929, 2958, 3030, 3045, 3434, 3451, 3535, 3570, 4060, 4242, 4930, 5151, 5858, 5916, 6060, 6090, 6868, 6902, 7070, 7140, 7395, 8484, 8585, 8787, 9860, 10302, 10353, 10605, 11716, 12019, 12180, 13804, 14140, 14645, 14790, 17170, 17255, 17574, 20503, 20604, 20706, 21210, 24038, 25755, 29290, 29580, 34340, 34510, 35148, 36057, 41006, 41412, 42420, 43935, 48076, 49793, 51510, 51765, 58580, 60095, 61509, 69020, 72114, 82012, 87870, 99586, 102515, 103020, 103530, 120190, 123018, 144228, 149379, 175740, 180285, 199172, 205030, 207060, 240380, 246036, 248965, 298758, 307545, 348551, 360570, 410060, 497930, 597516, 615090, 697102, 721140, 746895, 995860, 1045653, 1230180, 1394204, 1493790, 1742755, 2091306, 2987580, 3485510, 4182612, 5228265, 6971020, 10456530, 20913060]

約数ペア:

[(1, 20913060), (2, 10456530), (3, 6971020), (4, 5228265), (5, 4182612), (6, 3485510), (7, 2987580), (10, 2091306), (12, 1742755), (14, 1493790), (15, 1394204), (17, 1230180), (20, 1045653), (21, 995860), (28, 746895), (29, 721140), (30, 697102), (34, 615090), (35, 597516), (42, 497930), (51, 410060), (58, 360570), (60, 348551), (68, 307545), (70, 298758), (84, 248965), (85, 246036), (87, 240380), (101, 207060), (102, 205030), (105, 199172), (116, 180285), (119, 175740), (140, 149379), (145, 144228), (170, 123018), (174, 120190), (202, 103530), (203, 103020), (204, 102515), (210, 99586), (238, 87870), (255, 82012), (290, 72114), (303, 69020), (340, 61509), (348, 60095), (357, 58580), (404, 51765), (406, 51510), (420, 49793), (435, 48076), (476, 43935), (493, 42420), (505, 41412), (510, 41006), (580, 36057), (595, 35148), (606, 34510), (609, 34340), (707, 29580), (714, 29290), (812, 25755), (870, 24038), (986, 21210), (1010, 20706), (1015, 20604), (1020, 20503), (1190, 17574), (1212, 17255), (1218, 17170), (1414, 14790), (1428, 14645), (1479, 14140), (1515, 13804), (1717, 12180), (1740, 12019), (1785, 11716), (1972, 10605), (2020, 10353), (2030, 10302), (2121, 9860), (2380, 8787), (2436, 8585), (2465, 8484), (2828, 7395), (2929, 7140), (2958, 7070), (3030, 6902), (3045, 6868), (3434, 6090), (3451, 6060), (3535, 5916), (3570, 5858), (4060, 5151), (4242, 4930)]