20553810480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{194197}}^1$

素因数の和:194233

約数の個数: 240

約数和(自身を含む): 82355487840

約数和(自身を除く): 61801677360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 10584, 11760, 13230, 15120, 17640, 21168, 26460, 35280, 52920, 105840, 194197, 388394, 582591, 776788, 970985, 1165182, 1359379, 1553576, 1747773, 1941970, 2330364, 2718758, 2912955, 3107152, 3495546, 3883940, 4078137, 4660728, 5243319, 5437516, 5825910, 6796895, 6991092, 7767880, 8156274, 8738865, 9321456, 9515653, 10486638, 10875032, 11651820, 12234411, 13593790, 13982184, 15535760, 16312548, 17477730, 19031306, 20390685, 20973276, 21750064, 23303640, 24468822, 26216595, 27187580, 27964368, 28546959, 32625096, 34955460, 36703233, 38062612, 40781370, 41946552, 46607280, 47578265, 48937644, 52433190, 54375160, 57093918, 61172055, 65250192, 69910920, 73406466, 76125224, 81562740, 83893104, 85640877, 95156530, 97875288, 104866380, 108750320, 114187836, 122344110, 139821840, 142734795, 146812932, 152250448, 163125480, 171281754, 183516165, 190313060, 195750576, 209732760, 228375672, 244688220, 256922631, 285469590, 293625864, 326250960, 342563508, 367032330, 380626120, 419465520, 428204385, 456751344, 489376440, 513845262, 570939180, 587251728, 685127016, 734064660, 761252240, 856408770, 978752880, 1027690524, 1141878360, 1284613155, 1370254032, 1468129320, 1712817540, 2055381048, 2283756720, 2569226310, 2936258640, 3425635080, 4110762096, 5138452620, 6851270160, 10276905240, 20553810480]

約数ペア:

[(1, 20553810480), (2, 10276905240), (3, 6851270160), (4, 5138452620), (5, 4110762096), (6, 3425635080), (7, 2936258640), (8, 2569226310), (9, 2283756720), (10, 2055381048), (12, 1712817540), (14, 1468129320), (15, 1370254032), (16, 1284613155), (18, 1141878360), (20, 1027690524), (21, 978752880), (24, 856408770), (27, 761252240), (28, 734064660), (30, 685127016), (35, 587251728), (36, 570939180), (40, 513845262), (42, 489376440), (45, 456751344), (48, 428204385), (49, 419465520), (54, 380626120), (56, 367032330), (60, 342563508), (63, 326250960), (70, 293625864), (72, 285469590), (80, 256922631), (84, 244688220), (90, 228375672), (98, 209732760), (105, 195750576), (108, 190313060), (112, 183516165), (120, 171281754), (126, 163125480), (135, 152250448), (140, 146812932), (144, 142734795), (147, 139821840), (168, 122344110), (180, 114187836), (189, 108750320), (196, 104866380), (210, 97875288), (216, 95156530), (240, 85640877), (245, 83893104), (252, 81562740), (270, 76125224), (280, 73406466), (294, 69910920), (315, 65250192), (336, 61172055), (360, 57093918), (378, 54375160), (392, 52433190), (420, 48937644), (432, 47578265), (441, 46607280), (490, 41946552), (504, 40781370), (540, 38062612), (560, 36703233), (588, 34955460), (630, 32625096), (720, 28546959), (735, 27964368), (756, 27187580), (784, 26216595), (840, 24468822), (882, 23303640), (945, 21750064), (980, 20973276), (1008, 20390685), (1080, 19031306), (1176, 17477730), (1260, 16312548), (1323, 15535760), (1470, 13982184), (1512, 13593790), (1680, 12234411), (1764, 11651820), (1890, 10875032), (1960, 10486638), (2160, 9515653), (2205, 9321456), (2352, 8738865), (2520, 8156274), (2646, 7767880), (2940, 6991092), (3024, 6796895), (3528, 5825910), (3780, 5437516), (3920, 5243319), (4410, 4660728), (5040, 4078137), (5292, 3883940), (5880, 3495546), (6615, 3107152), (7056, 2912955), (7560, 2718758), (8820, 2330364), (10584, 1941970), (11760, 1747773), (13230, 1553576), (15120, 1359379), (17640, 1165182), (21168, 970985), (26460, 776788), (35280, 582591), (52920, 388394), (105840, 194197)]