20796944

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 50294400

約数和(自身を除く): 29497456

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 56, 58, 76, 112, 116, 133, 152, 203, 232, 266, 304, 337, 406, 464, 532, 551, 674, 812, 1064, 1102, 1348, 1624, 2128, 2204, 2359, 2696, 3248, 3857, 4408, 4718, 5392, 6403, 7714, 8816, 9436, 9773, 12806, 15428, 18872, 19546, 25612, 30856, 37744, 39092, 44821, 51224, 61712, 68411, 78184, 89642, 102448, 136822, 156368, 179284, 185687, 273644, 358568, 371374, 547288, 717136, 742748, 1094576, 1299809, 1485496, 2599618, 2970992, 5199236, 10398472, 20796944]

約数ペア:

[(1, 20796944), (2, 10398472), (4, 5199236), (7, 2970992), (8, 2599618), (14, 1485496), (16, 1299809), (19, 1094576), (28, 742748), (29, 717136), (38, 547288), (56, 371374), (58, 358568), (76, 273644), (112, 185687), (116, 179284), (133, 156368), (152, 136822), (203, 102448), (232, 89642), (266, 78184), (304, 68411), (337, 61712), (406, 51224), (464, 44821), (532, 39092), (551, 37744), (674, 30856), (812, 25612), (1064, 19546), (1102, 18872), (1348, 15428), (1624, 12806), (2128, 9773), (2204, 9436), (2359, 8816), (2696, 7714), (3248, 6403), (3857, 5392), (4408, 4718)]