20986393896

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1221

約数の個数: 256

約数和(自身を含む): 64665216000

約数和(自身を除く): 43678822104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 172, 179, 216, 234, 258, 312, 344, 351, 358, 387, 468, 516, 537, 559, 702, 716, 774, 936, 971, 1032, 1074, 1118, 1161, 1404, 1432, 1548, 1611, 1677, 1942, 2148, 2236, 2322, 2327, 2808, 2913, 3096, 3222, 3354, 3884, 4296, 4472, 4644, 4654, 4833, 5031, 5826, 6444, 6708, 6981, 7697, 7768, 8739, 9288, 9308, 9666, 10062, 11652, 12623, 12888, 13416, 13962, 15093, 15394, 17478, 18616, 19332, 20124, 20943, 23091, 23304, 25246, 26217, 27924, 30186, 30788, 34956, 37869, 38664, 40248, 41753, 41886, 46182, 50492, 52434, 55848, 60372, 61576, 62829, 69273, 69912, 75738, 83506, 83772, 92364, 100061, 100984, 104868, 113607, 120744, 125259, 125658, 138546, 151476, 167012, 167544, 173809, 184728, 200122, 207819, 209736, 227214, 250518, 251316, 277092, 300183, 302952, 334024, 340821, 347618, 375777, 400244, 415638, 454428, 501036, 502632, 521427, 542789, 554184, 600366, 681642, 695236, 751554, 800488, 831276, 900549, 908856, 1002072, 1042854, 1085578, 1127331, 1200732, 1363284, 1390472, 1503108, 1564281, 1628367, 1662552, 1801098, 2085708, 2171156, 2254662, 2259517, 2401464, 2701647, 2726568, 3006216, 3128562, 3256734, 3602196, 4171416, 4342312, 4509324, 4519034, 4692843, 4885101, 5403294, 6257124, 6513468, 6778551, 7204392, 7473787, 9018648, 9038068, 9385686, 9770202, 10806588, 12514248, 13026936, 13557102, 14655303, 14947574, 18076136, 18771372, 19540404, 20335653, 21613176, 22421361, 27114204, 29310606, 29895148, 37542744, 39080808, 40671306, 44842722, 54228408, 58621212, 59790296, 61006959, 67264083, 81342612, 89685444, 97159231, 117242424, 122013918, 134528166, 162685224, 179370888, 194318462, 201792249, 244027836, 269056332, 291477693, 388636924, 403584498, 488055672, 538112664, 582955386, 777273848, 807168996, 874433079, 1165910772, 1614337992, 1748866158, 2331821544, 2623299237, 3497732316, 5246598474, 6995464632, 10493196948, 20986393896]

約数ペア:

[(1, 20986393896), (2, 10493196948), (3, 6995464632), (4, 5246598474), (6, 3497732316), (8, 2623299237), (9, 2331821544), (12, 1748866158), (13, 1614337992), (18, 1165910772), (24, 874433079), (26, 807168996), (27, 777273848), (36, 582955386), (39, 538112664), (43, 488055672), (52, 403584498), (54, 388636924), (72, 291477693), (78, 269056332), (86, 244027836), (104, 201792249), (108, 194318462), (117, 179370888), (129, 162685224), (156, 134528166), (172, 122013918), (179, 117242424), (216, 97159231), (234, 89685444), (258, 81342612), (312, 67264083), (344, 61006959), (351, 59790296), (358, 58621212), (387, 54228408), (468, 44842722), (516, 40671306), (537, 39080808), (559, 37542744), (702, 29895148), (716, 29310606), (774, 27114204), (936, 22421361), (971, 21613176), (1032, 20335653), (1074, 19540404), (1118, 18771372), (1161, 18076136), (1404, 14947574), (1432, 14655303), (1548, 13557102), (1611, 13026936), (1677, 12514248), (1942, 10806588), (2148, 9770202), (2236, 9385686), (2322, 9038068), (2327, 9018648), (2808, 7473787), (2913, 7204392), (3096, 6778551), (3222, 6513468), (3354, 6257124), (3884, 5403294), (4296, 4885101), (4472, 4692843), (4644, 4519034), (4654, 4509324), (4833, 4342312), (5031, 4171416), (5826, 3602196), (6444, 3256734), (6708, 3128562), (6981, 3006216), (7697, 2726568), (7768, 2701647), (8739, 2401464), (9288, 2259517), (9308, 2254662), (9666, 2171156), (10062, 2085708), (11652, 1801098), (12623, 1662552), (12888, 1628367), (13416, 1564281), (13962, 1503108), (15093, 1390472), (15394, 1363284), (17478, 1200732), (18616, 1127331), (19332, 1085578), (20124, 1042854), (20943, 1002072), (23091, 908856), (23304, 900549), (25246, 831276), (26217, 800488), (27924, 751554), (30186, 695236), (30788, 681642), (34956, 600366), (37869, 554184), (38664, 542789), (40248, 521427), (41753, 502632), (41886, 501036), (46182, 454428), (50492, 415638), (52434, 400244), (55848, 375777), (60372, 347618), (61576, 340821), (62829, 334024), (69273, 302952), (69912, 300183), (75738, 277092), (83506, 251316), (83772, 250518), (92364, 227214), (100061, 209736), (100984, 207819), (104868, 200122), (113607, 184728), (120744, 173809), (125259, 167544), (125658, 167012), (138546, 151476)]