20778896388120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1\times {\mathrm{2643343}}^1$

素因数の和:2648409

約数の個数: 128

約数和(自身を含む): 67145166950400

約数和(自身を除く): 46366270562280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 5039, 10078, 15117, 20156, 25195, 30234, 40312, 50390, 60468, 65507, 75585, 100780, 120936, 131014, 151170, 196521, 201560, 262028, 302340, 327535, 393042, 524056, 604680, 655070, 786084, 982605, 1310140, 1572168, 1965210, 2620280, 2643343, 3930420, 5286686, 7860840, 7930029, 10573372, 13216715, 15860058, 21146744, 26433430, 31720116, 34363459, 39650145, 52866860, 63440232, 68726918, 79300290, 103090377, 105733720, 137453836, 158600580, 171817295, 206180754, 274907672, 317201160, 343634590, 412361508, 515451885, 687269180, 824723016, 1030903770, 1374538360, 2061807540, 4123615080, 13319805377, 26639610754, 39959416131, 53279221508, 66599026885, 79918832262, 106558443016, 133198053770, 159837664524, 173157469901, 199797080655, 266396107540, 319675329048, 346314939802, 399594161310, 519472409703, 532792215080, 692629879604, 799188322620, 865787349505, 1038944819406, 1385259759208, 1598376645240, 1731574699010, 2077889638812, 2597362048515, 3463149398020, 4155779277624, 5194724097030, 6926298796040, 10389448194060, 20778896388120]

約数ペア:

[(1, 20778896388120), (2, 10389448194060), (3, 6926298796040), (4, 5194724097030), (5, 4155779277624), (6, 3463149398020), (8, 2597362048515), (10, 2077889638812), (12, 1731574699010), (13, 1598376645240), (15, 1385259759208), (20, 1038944819406), (24, 865787349505), (26, 799188322620), (30, 692629879604), (39, 532792215080), (40, 519472409703), (52, 399594161310), (60, 346314939802), (65, 319675329048), (78, 266396107540), (104, 199797080655), (120, 173157469901), (130, 159837664524), (156, 133198053770), (195, 106558443016), (260, 79918832262), (312, 66599026885), (390, 53279221508), (520, 39959416131), (780, 26639610754), (1560, 13319805377), (5039, 4123615080), (10078, 2061807540), (15117, 1374538360), (20156, 1030903770), (25195, 824723016), (30234, 687269180), (40312, 515451885), (50390, 412361508), (60468, 343634590), (65507, 317201160), (75585, 274907672), (100780, 206180754), (120936, 171817295), (131014, 158600580), (151170, 137453836), (196521, 105733720), (201560, 103090377), (262028, 79300290), (302340, 68726918), (327535, 63440232), (393042, 52866860), (524056, 39650145), (604680, 34363459), (655070, 31720116), (786084, 26433430), (982605, 21146744), (1310140, 15860058), (1572168, 13216715), (1965210, 10573372), (2620280, 7930029), (2643343, 7860840), (3930420, 5286686)]