20003578672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{34327}}^1$

素因数の和:34407

約数の個数: 120

約数和(自身を含む): 49820089088

約数和(自身を除く): 29816510416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 43, 44, 56, 77, 86, 88, 112, 121, 154, 172, 176, 242, 301, 308, 344, 473, 484, 602, 616, 688, 847, 946, 968, 1204, 1232, 1694, 1892, 1936, 2408, 3311, 3388, 3784, 4816, 5203, 6622, 6776, 7568, 10406, 13244, 13552, 20812, 26488, 34327, 36421, 41624, 52976, 68654, 72842, 83248, 137308, 145684, 240289, 274616, 291368, 377597, 480578, 549232, 582736, 755194, 961156, 1476061, 1510388, 1922312, 2643179, 2952122, 3020776, 3844624, 4153567, 5286358, 5904244, 6041552, 8307134, 10332427, 10572716, 11808488, 16236671, 16614268, 20664854, 21145432, 23616976, 29074969, 32473342, 33228536, 41329708, 42290864, 58149938, 64946684, 66457072, 82659416, 113656697, 116299876, 129893368, 165318832, 178603381, 227313394, 232599752, 259786736, 357206762, 454626788, 465199504, 714413524, 909253576, 1250223667, 1428827048, 1818507152, 2500447334, 2857654096, 5000894668, 10001789336, 20003578672]

約数ペア:

[(1, 20003578672), (2, 10001789336), (4, 5000894668), (7, 2857654096), (8, 2500447334), (11, 1818507152), (14, 1428827048), (16, 1250223667), (22, 909253576), (28, 714413524), (43, 465199504), (44, 454626788), (56, 357206762), (77, 259786736), (86, 232599752), (88, 227313394), (112, 178603381), (121, 165318832), (154, 129893368), (172, 116299876), (176, 113656697), (242, 82659416), (301, 66457072), (308, 64946684), (344, 58149938), (473, 42290864), (484, 41329708), (602, 33228536), (616, 32473342), (688, 29074969), (847, 23616976), (946, 21145432), (968, 20664854), (1204, 16614268), (1232, 16236671), (1694, 11808488), (1892, 10572716), (1936, 10332427), (2408, 8307134), (3311, 6041552), (3388, 5904244), (3784, 5286358), (4816, 4153567), (5203, 3844624), (6622, 3020776), (6776, 2952122), (7568, 2643179), (10406, 1922312), (13244, 1510388), (13552, 1476061), (20812, 961156), (26488, 755194), (34327, 582736), (36421, 549232), (41624, 480578), (52976, 377597), (68654, 291368), (72842, 274616), (83248, 240289), (137308, 145684)]