20173553620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:567

約数の個数: 192

約数和(自身を含む): 50574585600

約数和(自身を除く): 30401031980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 290, 319, 361, 380, 418, 461, 551, 580, 638, 722, 836, 922, 1045, 1102, 1276, 1444, 1595, 1805, 1844, 2090, 2204, 2305, 2755, 3190, 3610, 3971, 4180, 4610, 5071, 5510, 6061, 6380, 6859, 7220, 7942, 8759, 9220, 10142, 10469, 11020, 12122, 13369, 13718, 15884, 17518, 19855, 20284, 20938, 24244, 25355, 26738, 27436, 30305, 34295, 35036, 39710, 41876, 43795, 50710, 52345, 53476, 60610, 66845, 68590, 75449, 79420, 87590, 96349, 101420, 104690, 115159, 121220, 133690, 137180, 147059, 150898, 166421, 175180, 192698, 198911, 209380, 230318, 254011, 267380, 294118, 301796, 332842, 377245, 385396, 397822, 460636, 481745, 508022, 575795, 588236, 665684, 735295, 754490, 795644, 832105, 963490, 994555, 1016044, 1151590, 1270055, 1470590, 1508980, 1664210, 1830631, 1926980, 1989110, 2188021, 2303180, 2540110, 2794121, 2941180, 3161999, 3328420, 3661262, 3978220, 4376042, 4826209, 5080220, 5588242, 6323998, 7322524, 8752084, 9153155, 9652418, 10940105, 11176484, 12647996, 13970605, 15809995, 18306310, 19304836, 21880210, 24131045, 27941210, 31619990, 34781989, 36612620, 43760420, 48262090, 53088299, 55882420, 63239980, 69563978, 91697971, 96524180, 106176598, 139127956, 173909945, 183395942, 212353196, 265441495, 347819890, 366791884, 458489855, 530882990, 695639780, 916979710, 1008677681, 1061765980, 1833959420, 2017355362, 4034710724, 5043388405, 10086776810, 20173553620]

約数ペア:

[(1, 20173553620), (2, 10086776810), (4, 5043388405), (5, 4034710724), (10, 2017355362), (11, 1833959420), (19, 1061765980), (20, 1008677681), (22, 916979710), (29, 695639780), (38, 530882990), (44, 458489855), (55, 366791884), (58, 347819890), (76, 265441495), (95, 212353196), (110, 183395942), (116, 173909945), (145, 139127956), (190, 106176598), (209, 96524180), (220, 91697971), (290, 69563978), (319, 63239980), (361, 55882420), (380, 53088299), (418, 48262090), (461, 43760420), (551, 36612620), (580, 34781989), (638, 31619990), (722, 27941210), (836, 24131045), (922, 21880210), (1045, 19304836), (1102, 18306310), (1276, 15809995), (1444, 13970605), (1595, 12647996), (1805, 11176484), (1844, 10940105), (2090, 9652418), (2204, 9153155), (2305, 8752084), (2755, 7322524), (3190, 6323998), (3610, 5588242), (3971, 5080220), (4180, 4826209), (4610, 4376042), (5071, 3978220), (5510, 3661262), (6061, 3328420), (6380, 3161999), (6859, 2941180), (7220, 2794121), (7942, 2540110), (8759, 2303180), (9220, 2188021), (10142, 1989110), (10469, 1926980), (11020, 1830631), (12122, 1664210), (13369, 1508980), (13718, 1470590), (15884, 1270055), (17518, 1151590), (19855, 1016044), (20284, 994555), (20938, 963490), (24244, 832105), (25355, 795644), (26738, 754490), (27436, 735295), (30305, 665684), (34295, 588236), (35036, 575795), (39710, 508022), (41876, 481745), (43795, 460636), (50710, 397822), (52345, 385396), (53476, 377245), (60610, 332842), (66845, 301796), (68590, 294118), (75449, 267380), (79420, 254011), (87590, 230318), (96349, 209380), (101420, 198911), (104690, 192698), (115159, 175180), (121220, 166421), (133690, 150898), (137180, 147059)]