20235891480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{2647}}^1$

素因数の和:3166

約数の個数: 256

約数和(自身を含む): 73211904000

約数和(自身を除く): 52976012520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 479, 532, 570, 665, 760, 798, 840, 958, 1064, 1140, 1330, 1437, 1596, 1916, 1995, 2280, 2395, 2647, 2660, 2874, 3192, 3353, 3832, 3990, 4790, 5294, 5320, 5748, 6706, 7185, 7941, 7980, 9101, 9580, 10059, 10588, 11496, 13235, 13412, 14370, 15882, 15960, 16765, 18202, 18529, 19160, 20118, 21176, 26470, 26824, 27303, 28740, 31764, 33530, 36404, 37058, 39705, 40236, 45505, 50293, 50295, 52940, 54606, 55587, 57480, 63528, 63707, 67060, 72808, 74116, 79410, 80472, 91010, 92645, 100586, 100590, 105880, 109212, 111174, 127414, 134120, 136515, 148232, 150879, 158820, 182020, 185290, 191121, 201172, 201180, 218424, 222348, 251465, 254828, 273030, 277935, 301758, 317640, 318535, 352051, 364040, 370580, 382242, 402344, 402360, 444696, 502930, 509656, 546060, 555870, 603516, 637070, 704102, 741160, 754395, 764484, 955605, 1005860, 1056153, 1092120, 1111740, 1207032, 1267913, 1274140, 1408204, 1508790, 1528968, 1760255, 1911210, 2011720, 2112306, 2223480, 2535826, 2548280, 2816408, 3017580, 3520510, 3803739, 3822420, 4224612, 5071652, 5280765, 6035160, 6339565, 7041020, 7607478, 7644840, 8449224, 8875391, 10143304, 10561530, 12679130, 14082040, 15214956, 17750782, 19018695, 21123060, 24090347, 25358260, 26626173, 30429912, 35501564, 38037390, 42246120, 44376955, 48180694, 50716520, 53252346, 71003128, 72271041, 76074780, 88753910, 96361388, 106504692, 120451735, 133130865, 144542082, 152149560, 168632429, 177507820, 192722776, 213009384, 240903470, 266261730, 289084164, 337264858, 355015640, 361355205, 481806940, 505897287, 532523460, 578168328, 674529716, 722710410, 843162145, 963613880, 1011794574, 1065046920, 1349059432, 1445420820, 1686324290, 2023589148, 2529486435, 2890841640, 3372648580, 4047178296, 5058972870, 6745297160, 10117945740, 20235891480]

約数ペア:

[(1, 20235891480), (2, 10117945740), (3, 6745297160), (4, 5058972870), (5, 4047178296), (6, 3372648580), (7, 2890841640), (8, 2529486435), (10, 2023589148), (12, 1686324290), (14, 1445420820), (15, 1349059432), (19, 1065046920), (20, 1011794574), (21, 963613880), (24, 843162145), (28, 722710410), (30, 674529716), (35, 578168328), (38, 532523460), (40, 505897287), (42, 481806940), (56, 361355205), (57, 355015640), (60, 337264858), (70, 289084164), (76, 266261730), (84, 240903470), (95, 213009384), (105, 192722776), (114, 177507820), (120, 168632429), (133, 152149560), (140, 144542082), (152, 133130865), (168, 120451735), (190, 106504692), (210, 96361388), (228, 88753910), (266, 76074780), (280, 72271041), (285, 71003128), (380, 53252346), (399, 50716520), (420, 48180694), (456, 44376955), (479, 42246120), (532, 38037390), (570, 35501564), (665, 30429912), (760, 26626173), (798, 25358260), (840, 24090347), (958, 21123060), (1064, 19018695), (1140, 17750782), (1330, 15214956), (1437, 14082040), (1596, 12679130), (1916, 10561530), (1995, 10143304), (2280, 8875391), (2395, 8449224), (2647, 7644840), (2660, 7607478), (2874, 7041020), (3192, 6339565), (3353, 6035160), (3832, 5280765), (3990, 5071652), (4790, 4224612), (5294, 3822420), (5320, 3803739), (5748, 3520510), (6706, 3017580), (7185, 2816408), (7941, 2548280), (7980, 2535826), (9101, 2223480), (9580, 2112306), (10059, 2011720), (10588, 1911210), (11496, 1760255), (13235, 1528968), (13412, 1508790), (14370, 1408204), (15882, 1274140), (15960, 1267913), (16765, 1207032), (18202, 1111740), (18529, 1092120), (19160, 1056153), (20118, 1005860), (21176, 955605), (26470, 764484), (26824, 754395), (27303, 741160), (28740, 704102), (31764, 637070), (33530, 603516), (36404, 555870), (37058, 546060), (39705, 509656), (40236, 502930), (45505, 444696), (50293, 402360), (50295, 402344), (52940, 382242), (54606, 370580), (55587, 364040), (57480, 352051), (63528, 318535), (63707, 317640), (67060, 301758), (72808, 277935), (74116, 273030), (79410, 254828), (80472, 251465), (91010, 222348), (92645, 218424), (100586, 201180), (100590, 201172), (105880, 191121), (109212, 185290), (111174, 182020), (127414, 158820), (134120, 150879), (136515, 148232)]