20175556905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1216

約数の個数: 192

約数和(自身を含む): 43801026048

約数和(自身を除く): 23625469143

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 53, 63, 67, 85, 105, 119, 153, 159, 201, 255, 265, 315, 335, 357, 371, 469, 477, 595, 603, 765, 795, 901, 1005, 1061, 1071, 1113, 1139, 1407, 1785, 1855, 2345, 2385, 2703, 3015, 3183, 3339, 3417, 3551, 4221, 4505, 5305, 5355, 5565, 5695, 6307, 7035, 7427, 7973, 8109, 9549, 10251, 10653, 13515, 15915, 16695, 17085, 17755, 18037, 18921, 21105, 22281, 23919, 24857, 31535, 31959, 37135, 39865, 40545, 47745, 51255, 53265, 54111, 56233, 56763, 60367, 66843, 71087, 71757, 74571, 90185, 94605, 111405, 119595, 124285, 126259, 159795, 162333, 168699, 181101, 213261, 223713, 270555, 281165, 283815, 301835, 334215, 355435, 358785, 372855, 378777, 393631, 422569, 497609, 506097, 543303, 631295, 639783, 811665, 843495, 905505, 955961, 1066305, 1118565, 1136331, 1180893, 1208479, 1267707, 1492827, 1893885, 1968155, 2112845, 2488045, 2530485, 2716515, 2867883, 3198915, 3542679, 3625437, 3767611, 3803121, 4478481, 4779805, 5681655, 5904465, 6042395, 6338535, 6691727, 7464135, 8459353, 8603649, 10876311, 11302833, 14339415, 17713395, 18127185, 18838055, 19015605, 20075181, 22392405, 25378059, 26373277, 33458635, 33908499, 42296765, 43018245, 54381555, 56514165, 60225543, 64049387, 76134177, 79119831, 100375905, 126890295, 131866385, 169542495, 192148161, 237359493, 301127715, 320246935, 380670885, 395599155, 448345709, 576444483, 960740805, 1186797465, 1345037127, 2241728545, 2882222415, 4035111381, 6725185635, 20175556905]

約数ペア:

[(1, 20175556905), (3, 6725185635), (5, 4035111381), (7, 2882222415), (9, 2241728545), (15, 1345037127), (17, 1186797465), (21, 960740805), (35, 576444483), (45, 448345709), (51, 395599155), (53, 380670885), (63, 320246935), (67, 301127715), (85, 237359493), (105, 192148161), (119, 169542495), (153, 131866385), (159, 126890295), (201, 100375905), (255, 79119831), (265, 76134177), (315, 64049387), (335, 60225543), (357, 56514165), (371, 54381555), (469, 43018245), (477, 42296765), (595, 33908499), (603, 33458635), (765, 26373277), (795, 25378059), (901, 22392405), (1005, 20075181), (1061, 19015605), (1071, 18838055), (1113, 18127185), (1139, 17713395), (1407, 14339415), (1785, 11302833), (1855, 10876311), (2345, 8603649), (2385, 8459353), (2703, 7464135), (3015, 6691727), (3183, 6338535), (3339, 6042395), (3417, 5904465), (3551, 5681655), (4221, 4779805), (4505, 4478481), (5305, 3803121), (5355, 3767611), (5565, 3625437), (5695, 3542679), (6307, 3198915), (7035, 2867883), (7427, 2716515), (7973, 2530485), (8109, 2488045), (9549, 2112845), (10251, 1968155), (10653, 1893885), (13515, 1492827), (15915, 1267707), (16695, 1208479), (17085, 1180893), (17755, 1136331), (18037, 1118565), (18921, 1066305), (21105, 955961), (22281, 905505), (23919, 843495), (24857, 811665), (31535, 639783), (31959, 631295), (37135, 543303), (39865, 506097), (40545, 497609), (47745, 422569), (51255, 393631), (53265, 378777), (54111, 372855), (56233, 358785), (56763, 355435), (60367, 334215), (66843, 301835), (71087, 283815), (71757, 281165), (74571, 270555), (90185, 223713), (94605, 213261), (111405, 181101), (119595, 168699), (124285, 162333), (126259, 159795)]