20197331168

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 288

約数和(自身を含む): 51056780544

約数和(自身を除く): 30859449376

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 43, 49, 56, 67, 68, 86, 98, 112, 119, 134, 136, 172, 196, 224, 238, 263, 268, 272, 301, 344, 392, 469, 476, 526, 536, 544, 602, 688, 731, 784, 833, 938, 952, 1052, 1072, 1139, 1204, 1376, 1462, 1568, 1666, 1841, 1876, 1904, 2104, 2107, 2144, 2278, 2408, 2881, 2924, 3283, 3332, 3682, 3752, 3808, 4208, 4214, 4471, 4556, 4816, 5117, 5762, 5848, 6566, 6664, 7364, 7504, 7973, 8416, 8428, 8942, 9112, 9632, 10234, 11309, 11524, 11696, 12887, 13132, 13328, 14728, 15008, 15946, 16856, 17621, 17884, 18224, 20167, 20468, 22618, 23048, 23392, 25774, 26264, 26656, 29456, 31297, 31892, 33712, 35242, 35768, 35819, 36448, 40334, 40936, 45236, 46096, 48977, 51548, 52528, 55811, 58912, 62594, 63784, 67424, 70484, 71536, 71638, 79163, 80668, 81872, 90472, 92192, 97954, 103096, 105056, 111622, 123347, 125188, 127568, 140968, 141169, 143072, 143276, 158326, 161336, 163744, 180944, 192253, 195908, 206192, 219079, 223244, 246694, 250376, 255136, 281936, 282338, 286552, 299557, 316652, 322672, 342839, 361888, 384506, 391816, 412384, 438158, 446488, 493388, 500752, 554141, 563872, 564676, 573104, 599114, 633304, 645344, 685678, 757703, 769012, 783632, 863429, 876316, 892976, 986776, 1001504, 1108282, 1129352, 1146208, 1198228, 1266608, 1345771, 1371356, 1515406, 1538024, 1567264, 1726858, 1752632, 1785952, 1973552, 2096899, 2216564, 2258704, 2396456, 2399873, 2533216, 2691542, 2742712, 3030812, 3076048, 3453716, 3505264, 3947104, 4193798, 4433128, 4517408, 4792912, 4799746, 5303921, 5383084, 5485424, 6061624, 6152096, 6907432, 7010528, 8387596, 8866256, 9420397, 9585824, 9599492, 10607842, 10766168, 10970848, 12123248, 12880951, 13814864, 14678293, 16775192, 17732512, 18840794, 19198984, 21215684, 21532336, 24246496, 25761902, 27629728, 29356586, 33550384, 37127447, 37681588, 38397968, 42431368, 43064672, 51523804, 58713172, 67100768, 74254894, 75363176, 76795936, 84862736, 90166657, 103047608, 117426344, 148509788, 150726352, 169725472, 180333314, 206095216, 234852688, 297019576, 301452704, 360666628, 412190432, 469705376, 594039152, 631166599, 721333256, 1188078304, 1262333198, 1442666512, 2524666396, 2885333024, 5049332792, 10098665584, 20197331168]

約数ペア:

[(1, 20197331168), (2, 10098665584), (4, 5049332792), (7, 2885333024), (8, 2524666396), (14, 1442666512), (16, 1262333198), (17, 1188078304), (28, 721333256), (32, 631166599), (34, 594039152), (43, 469705376), (49, 412190432), (56, 360666628), (67, 301452704), (68, 297019576), (86, 234852688), (98, 206095216), (112, 180333314), (119, 169725472), (134, 150726352), (136, 148509788), (172, 117426344), (196, 103047608), (224, 90166657), (238, 84862736), (263, 76795936), (268, 75363176), (272, 74254894), (301, 67100768), (344, 58713172), (392, 51523804), (469, 43064672), (476, 42431368), (526, 38397968), (536, 37681588), (544, 37127447), (602, 33550384), (688, 29356586), (731, 27629728), (784, 25761902), (833, 24246496), (938, 21532336), (952, 21215684), (1052, 19198984), (1072, 18840794), (1139, 17732512), (1204, 16775192), (1376, 14678293), (1462, 13814864), (1568, 12880951), (1666, 12123248), (1841, 10970848), (1876, 10766168), (1904, 10607842), (2104, 9599492), (2107, 9585824), (2144, 9420397), (2278, 8866256), (2408, 8387596), (2881, 7010528), (2924, 6907432), (3283, 6152096), (3332, 6061624), (3682, 5485424), (3752, 5383084), (3808, 5303921), (4208, 4799746), (4214, 4792912), (4471, 4517408), (4556, 4433128), (4816, 4193798), (5117, 3947104), (5762, 3505264), (5848, 3453716), (6566, 3076048), (6664, 3030812), (7364, 2742712), (7504, 2691542), (7973, 2533216), (8416, 2399873), (8428, 2396456), (8942, 2258704), (9112, 2216564), (9632, 2096899), (10234, 1973552), (11309, 1785952), (11524, 1752632), (11696, 1726858), (12887, 1567264), (13132, 1538024), (13328, 1515406), (14728, 1371356), (15008, 1345771), (15946, 1266608), (16856, 1198228), (17621, 1146208), (17884, 1129352), (18224, 1108282), (20167, 1001504), (20468, 986776), (22618, 892976), (23048, 876316), (23392, 863429), (25774, 783632), (26264, 769012), (26656, 757703), (29456, 685678), (31297, 645344), (31892, 633304), (33712, 599114), (35242, 573104), (35768, 564676), (35819, 563872), (36448, 554141), (40334, 500752), (40936, 493388), (45236, 446488), (46096, 438158), (48977, 412384), (51548, 391816), (52528, 384506), (55811, 361888), (58912, 342839), (62594, 322672), (63784, 316652), (67424, 299557), (70484, 286552), (71536, 282338), (71638, 281936), (79163, 255136), (80668, 250376), (81872, 246694), (90472, 223244), (92192, 219079), (97954, 206192), (103096, 195908), (105056, 192253), (111622, 180944), (123347, 163744), (125188, 161336), (127568, 158326), (140968, 143276), (141169, 143072)]