20187052620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2221

約数の個数: 288

約数和(自身を含む): 69132467712

約数和(自身を除く): 48945415092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 43, 46, 60, 69, 70, 84, 86, 92, 105, 115, 129, 138, 140, 161, 172, 210, 215, 230, 258, 276, 301, 322, 345, 420, 430, 460, 483, 516, 529, 602, 644, 645, 690, 805, 860, 903, 966, 989, 1058, 1204, 1290, 1380, 1505, 1587, 1610, 1806, 1932, 1978, 2113, 2116, 2415, 2580, 2645, 2967, 3010, 3174, 3220, 3612, 3703, 3956, 4226, 4515, 4830, 4945, 5290, 5934, 6020, 6339, 6348, 6923, 7406, 7935, 8452, 9030, 9660, 9890, 10565, 10580, 11109, 11868, 12678, 13846, 14791, 14812, 14835, 15870, 18060, 18515, 19780, 20769, 21130, 22218, 22747, 25356, 27692, 29582, 29670, 31695, 31740, 34615, 37030, 41538, 42260, 44373, 44436, 45494, 48599, 55545, 59164, 59340, 63390, 68241, 69230, 73955, 74060, 83076, 88746, 90859, 90988, 97198, 103845, 111090, 113735, 126780, 136482, 138460, 145797, 147910, 159229, 177492, 181718, 194396, 207690, 221865, 222180, 227470, 242995, 272577, 272964, 291594, 295820, 318458, 340193, 341205, 363436, 415380, 443730, 454295, 454940, 477687, 485990, 545154, 583188, 636013, 636916, 680386, 682410, 728985, 796145, 887460, 908590, 955374, 971980, 1020579, 1090308, 1117777, 1272026, 1360772, 1362885, 1364820, 1457970, 1592290, 1700965, 1817180, 1908039, 1910748, 2041158, 2089757, 2235554, 2388435, 2544052, 2725770, 2915940, 3180065, 3184580, 3353331, 3401930, 3816078, 4082316, 4179514, 4471108, 4776870, 5102895, 5451540, 5588885, 6269271, 6360130, 6706662, 6803860, 7632156, 7824439, 8359028, 9540195, 9553740, 10205790, 10448785, 11177770, 12538542, 12720260, 13413324, 14628299, 15648878, 16766655, 19080390, 20411580, 20897570, 22355540, 23473317, 25077084, 29256598, 31297756, 31346355, 33533310, 38160780, 39122195, 41795140, 43884897, 46946634, 48064411, 58513196, 62692710, 67066620, 73141495, 78244390, 87769794, 93893268, 96128822, 117366585, 125385420, 144193233, 146282990, 156488780, 175539588, 192257644, 219424485, 234733170, 240322055, 288386466, 292565980, 336450877, 438848970, 469466340, 480644110, 576772932, 672901754, 720966165, 877697940, 961288220, 1009352631, 1345803508, 1441932330, 1682254385, 2018705262, 2883864660, 3364508770, 4037410524, 5046763155, 6729017540, 10093526310, 20187052620]

約数ペア:

[(1, 20187052620), (2, 10093526310), (3, 6729017540), (4, 5046763155), (5, 4037410524), (6, 3364508770), (7, 2883864660), (10, 2018705262), (12, 1682254385), (14, 1441932330), (15, 1345803508), (20, 1009352631), (21, 961288220), (23, 877697940), (28, 720966165), (30, 672901754), (35, 576772932), (42, 480644110), (43, 469466340), (46, 438848970), (60, 336450877), (69, 292565980), (70, 288386466), (84, 240322055), (86, 234733170), (92, 219424485), (105, 192257644), (115, 175539588), (129, 156488780), (138, 146282990), (140, 144193233), (161, 125385420), (172, 117366585), (210, 96128822), (215, 93893268), (230, 87769794), (258, 78244390), (276, 73141495), (301, 67066620), (322, 62692710), (345, 58513196), (420, 48064411), (430, 46946634), (460, 43884897), (483, 41795140), (516, 39122195), (529, 38160780), (602, 33533310), (644, 31346355), (645, 31297756), (690, 29256598), (805, 25077084), (860, 23473317), (903, 22355540), (966, 20897570), (989, 20411580), (1058, 19080390), (1204, 16766655), (1290, 15648878), (1380, 14628299), (1505, 13413324), (1587, 12720260), (1610, 12538542), (1806, 11177770), (1932, 10448785), (1978, 10205790), (2113, 9553740), (2116, 9540195), (2415, 8359028), (2580, 7824439), (2645, 7632156), (2967, 6803860), (3010, 6706662), (3174, 6360130), (3220, 6269271), (3612, 5588885), (3703, 5451540), (3956, 5102895), (4226, 4776870), (4515, 4471108), (4830, 4179514), (4945, 4082316), (5290, 3816078), (5934, 3401930), (6020, 3353331), (6339, 3184580), (6348, 3180065), (6923, 2915940), (7406, 2725770), (7935, 2544052), (8452, 2388435), (9030, 2235554), (9660, 2089757), (9890, 2041158), (10565, 1910748), (10580, 1908039), (11109, 1817180), (11868, 1700965), (12678, 1592290), (13846, 1457970), (14791, 1364820), (14812, 1362885), (14835, 1360772), (15870, 1272026), (18060, 1117777), (18515, 1090308), (19780, 1020579), (20769, 971980), (21130, 955374), (22218, 908590), (22747, 887460), (25356, 796145), (27692, 728985), (29582, 682410), (29670, 680386), (31695, 636916), (31740, 636013), (34615, 583188), (37030, 545154), (41538, 485990), (42260, 477687), (44373, 454940), (44436, 454295), (45494, 443730), (48599, 415380), (55545, 363436), (59164, 341205), (59340, 340193), (63390, 318458), (68241, 295820), (69230, 291594), (73955, 272964), (74060, 272577), (83076, 242995), (88746, 227470), (90859, 222180), (90988, 221865), (97198, 207690), (103845, 194396), (111090, 181718), (113735, 177492), (126780, 159229), (136482, 147910), (138460, 145797)]