20788731648

素因数分解:

$2^8\times 3^5\times {\mathrm{131}}^1\times {\mathrm{2551}}^1$

素因数の和:2713

約数の個数: 216

約数和(自身を含む): 62658051456

約数和(自身を除く): 41869319808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 131, 144, 162, 192, 216, 243, 256, 262, 288, 324, 384, 393, 432, 486, 524, 576, 648, 768, 786, 864, 972, 1048, 1152, 1179, 1296, 1572, 1728, 1944, 2096, 2304, 2358, 2551, 2592, 3144, 3456, 3537, 3888, 4192, 4716, 5102, 5184, 6288, 6912, 7074, 7653, 7776, 8384, 9432, 10204, 10368, 10611, 12576, 14148, 15306, 15552, 16768, 18864, 20408, 20736, 21222, 22959, 25152, 28296, 30612, 31104, 31833, 33536, 37728, 40816, 42444, 45918, 50304, 56592, 61224, 62208, 63666, 68877, 75456, 81632, 84888, 91836, 100608, 113184, 122448, 127332, 137754, 150912, 163264, 169776, 183672, 206631, 226368, 244896, 254664, 275508, 301824, 326528, 334181, 339552, 367344, 413262, 452736, 489792, 509328, 551016, 619893, 653056, 668362, 679104, 734688, 826524, 905472, 979584, 1002543, 1018656, 1102032, 1239786, 1336724, 1358208, 1469376, 1653048, 1959168, 2005086, 2037312, 2204064, 2479572, 2673448, 2716416, 2938752, 3007629, 3306096, 4010172, 4074624, 4408128, 4959144, 5346896, 5877504, 6015258, 6612192, 8020344, 8149248, 8816256, 9022887, 9918288, 10693792, 12030516, 13224384, 16040688, 17632512, 18045774, 19836576, 21387584, 24061032, 26448768, 27068661, 32081376, 36091548, 39673152, 42775168, 48122064, 52897536, 54137322, 64162752, 72183096, 79346304, 81205983, 85550336, 96244128, 108274644, 128325504, 144366192, 158692608, 162411966, 192488256, 216549288, 256651008, 288732384, 324823932, 384976512, 433098576, 577464768, 649647864, 769953024, 866197152, 1154929536, 1299295728, 1732394304, 2309859072, 2598591456, 3464788608, 5197182912, 6929577216, 10394365824, 20788731648]

約数ペア:

[(1, 20788731648), (2, 10394365824), (3, 6929577216), (4, 5197182912), (6, 3464788608), (8, 2598591456), (9, 2309859072), (12, 1732394304), (16, 1299295728), (18, 1154929536), (24, 866197152), (27, 769953024), (32, 649647864), (36, 577464768), (48, 433098576), (54, 384976512), (64, 324823932), (72, 288732384), (81, 256651008), (96, 216549288), (108, 192488256), (128, 162411966), (131, 158692608), (144, 144366192), (162, 128325504), (192, 108274644), (216, 96244128), (243, 85550336), (256, 81205983), (262, 79346304), (288, 72183096), (324, 64162752), (384, 54137322), (393, 52897536), (432, 48122064), (486, 42775168), (524, 39673152), (576, 36091548), (648, 32081376), (768, 27068661), (786, 26448768), (864, 24061032), (972, 21387584), (1048, 19836576), (1152, 18045774), (1179, 17632512), (1296, 16040688), (1572, 13224384), (1728, 12030516), (1944, 10693792), (2096, 9918288), (2304, 9022887), (2358, 8816256), (2551, 8149248), (2592, 8020344), (3144, 6612192), (3456, 6015258), (3537, 5877504), (3888, 5346896), (4192, 4959144), (4716, 4408128), (5102, 4074624), (5184, 4010172), (6288, 3306096), (6912, 3007629), (7074, 2938752), (7653, 2716416), (7776, 2673448), (8384, 2479572), (9432, 2204064), (10204, 2037312), (10368, 2005086), (10611, 1959168), (12576, 1653048), (14148, 1469376), (15306, 1358208), (15552, 1336724), (16768, 1239786), (18864, 1102032), (20408, 1018656), (20736, 1002543), (21222, 979584), (22959, 905472), (25152, 826524), (28296, 734688), (30612, 679104), (31104, 668362), (31833, 653056), (33536, 619893), (37728, 551016), (40816, 509328), (42444, 489792), (45918, 452736), (50304, 413262), (56592, 367344), (61224, 339552), (62208, 334181), (63666, 326528), (68877, 301824), (75456, 275508), (81632, 254664), (84888, 244896), (91836, 226368), (100608, 206631), (113184, 183672), (122448, 169776), (127332, 163264), (137754, 150912)]