20218346820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{21481}}^1$

素因数の和:21592

約数の個数: 240

約数和(自身を含む): 73363264128

約数和(自身を除く): 53144917308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 83, 84, 90, 105, 108, 126, 135, 140, 162, 166, 180, 189, 210, 249, 252, 270, 315, 324, 332, 378, 405, 415, 420, 498, 540, 567, 581, 630, 747, 756, 810, 830, 945, 996, 1134, 1162, 1245, 1260, 1494, 1620, 1660, 1743, 1890, 2241, 2268, 2324, 2490, 2835, 2905, 2988, 3486, 3735, 3780, 4482, 4980, 5229, 5670, 5810, 6723, 6972, 7470, 8715, 8964, 10458, 11205, 11340, 11620, 13446, 14940, 15687, 17430, 20916, 21481, 22410, 26145, 26892, 31374, 33615, 34860, 42962, 44820, 47061, 52290, 62748, 64443, 67230, 78435, 85924, 94122, 104580, 107405, 128886, 134460, 150367, 156870, 188244, 193329, 214810, 235305, 257772, 300734, 313740, 322215, 386658, 429620, 451101, 470610, 579987, 601468, 644430, 751835, 773316, 902202, 941220, 966645, 1159974, 1288860, 1353303, 1503670, 1739961, 1782923, 1804404, 1933290, 2255505, 2319948, 2706606, 2899935, 3007340, 3479922, 3565846, 3866580, 4059909, 4511010, 5348769, 5413212, 5799870, 6766515, 6959844, 7131692, 8119818, 8699805, 8914615, 9022020, 10697538, 11599740, 12179727, 12480461, 13533030, 16046307, 16239636, 17399610, 17829230, 20299545, 21395076, 24359454, 24960922, 26743845, 27066060, 32092614, 34799220, 35658460, 37441383, 40599090, 48138921, 48718908, 49921844, 53487690, 60898635, 62402305, 64185228, 74882766, 80231535, 81198180, 96277842, 106975380, 112324149, 121797270, 124804610, 144416763, 149765532, 160463070, 187206915, 192555684, 224648298, 240694605, 243594540, 249609220, 288833526, 320926140, 336972447, 374413830, 449296596, 481389210, 561620745, 577667052, 673944894, 722083815, 748827660, 962778420, 1010917341, 1123241490, 1347889788, 1444167630, 1684862235, 2021834682, 2246482980, 2888335260, 3369724470, 4043669364, 5054586705, 6739448940, 10109173410, 20218346820]

約数ペア:

[(1, 20218346820), (2, 10109173410), (3, 6739448940), (4, 5054586705), (5, 4043669364), (6, 3369724470), (7, 2888335260), (9, 2246482980), (10, 2021834682), (12, 1684862235), (14, 1444167630), (15, 1347889788), (18, 1123241490), (20, 1010917341), (21, 962778420), (27, 748827660), (28, 722083815), (30, 673944894), (35, 577667052), (36, 561620745), (42, 481389210), (45, 449296596), (54, 374413830), (60, 336972447), (63, 320926140), (70, 288833526), (81, 249609220), (83, 243594540), (84, 240694605), (90, 224648298), (105, 192555684), (108, 187206915), (126, 160463070), (135, 149765532), (140, 144416763), (162, 124804610), (166, 121797270), (180, 112324149), (189, 106975380), (210, 96277842), (249, 81198180), (252, 80231535), (270, 74882766), (315, 64185228), (324, 62402305), (332, 60898635), (378, 53487690), (405, 49921844), (415, 48718908), (420, 48138921), (498, 40599090), (540, 37441383), (567, 35658460), (581, 34799220), (630, 32092614), (747, 27066060), (756, 26743845), (810, 24960922), (830, 24359454), (945, 21395076), (996, 20299545), (1134, 17829230), (1162, 17399610), (1245, 16239636), (1260, 16046307), (1494, 13533030), (1620, 12480461), (1660, 12179727), (1743, 11599740), (1890, 10697538), (2241, 9022020), (2268, 8914615), (2324, 8699805), (2490, 8119818), (2835, 7131692), (2905, 6959844), (2988, 6766515), (3486, 5799870), (3735, 5413212), (3780, 5348769), (4482, 4511010), (4980, 4059909), (5229, 3866580), (5670, 3565846), (5810, 3479922), (6723, 3007340), (6972, 2899935), (7470, 2706606), (8715, 2319948), (8964, 2255505), (10458, 1933290), (11205, 1804404), (11340, 1782923), (11620, 1739961), (13446, 1503670), (14940, 1353303), (15687, 1288860), (17430, 1159974), (20916, 966645), (21481, 941220), (22410, 902202), (26145, 773316), (26892, 751835), (31374, 644430), (33615, 601468), (34860, 579987), (42962, 470610), (44820, 451101), (47061, 429620), (52290, 386658), (62748, 322215), (64443, 313740), (67230, 300734), (78435, 257772), (85924, 235305), (94122, 214810), (104580, 193329), (107405, 188244), (128886, 156870), (134460, 150367)]