20173858700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:804

約数の個数: 144

約数和(自身を含む): 46215792000

約数和(自身を除く): 26041933300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 79, 100, 116, 145, 158, 173, 290, 316, 346, 395, 509, 580, 692, 725, 790, 865, 1018, 1450, 1580, 1730, 1975, 2036, 2291, 2545, 2900, 3460, 3950, 4325, 4582, 5017, 5090, 7900, 8650, 9164, 10034, 10180, 11455, 12725, 13667, 14761, 17300, 20068, 22910, 25085, 25450, 27334, 29522, 40211, 45820, 50170, 50900, 54668, 57275, 59044, 68335, 73805, 80422, 88057, 100340, 114550, 125425, 136670, 147610, 160844, 176114, 201055, 229100, 250850, 273340, 295220, 341675, 352228, 369025, 396343, 402110, 440285, 501700, 683350, 738050, 792686, 804220, 880570, 1005275, 1166119, 1366700, 1476100, 1585372, 1761140, 1981715, 2010550, 2201425, 2332238, 2553653, 3963430, 4021100, 4402850, 4664476, 5107306, 5830595, 6956503, 7926860, 8805700, 9908575, 10214612, 11661190, 12768265, 13913006, 19817150, 23322380, 25536530, 27826012, 29152975, 34782515, 39634300, 51073060, 58305950, 63841325, 69565030, 116611900, 127682650, 139130060, 173912575, 201738587, 255365300, 347825150, 403477174, 695650300, 806954348, 1008692935, 2017385870, 4034771740, 5043464675, 10086929350, 20173858700]

約数ペア:

[(1, 20173858700), (2, 10086929350), (4, 5043464675), (5, 4034771740), (10, 2017385870), (20, 1008692935), (25, 806954348), (29, 695650300), (50, 403477174), (58, 347825150), (79, 255365300), (100, 201738587), (116, 173912575), (145, 139130060), (158, 127682650), (173, 116611900), (290, 69565030), (316, 63841325), (346, 58305950), (395, 51073060), (509, 39634300), (580, 34782515), (692, 29152975), (725, 27826012), (790, 25536530), (865, 23322380), (1018, 19817150), (1450, 13913006), (1580, 12768265), (1730, 11661190), (1975, 10214612), (2036, 9908575), (2291, 8805700), (2545, 7926860), (2900, 6956503), (3460, 5830595), (3950, 5107306), (4325, 4664476), (4582, 4402850), (5017, 4021100), (5090, 3963430), (7900, 2553653), (8650, 2332238), (9164, 2201425), (10034, 2010550), (10180, 1981715), (11455, 1761140), (12725, 1585372), (13667, 1476100), (14761, 1366700), (17300, 1166119), (20068, 1005275), (22910, 880570), (25085, 804220), (25450, 792686), (27334, 738050), (29522, 683350), (40211, 501700), (45820, 440285), (50170, 402110), (50900, 396343), (54668, 369025), (57275, 352228), (59044, 341675), (68335, 295220), (73805, 273340), (80422, 250850), (88057, 229100), (100340, 201055), (114550, 176114), (125425, 160844), (136670, 147610)]