20385934464

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{70879}}^1$

素因数の和:71010

約数の個数: 128

約数和(自身を含む): 62465126400

約数和(自身を除く): 42079191936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 107, 112, 128, 168, 192, 214, 224, 321, 336, 384, 428, 448, 642, 672, 749, 856, 896, 1284, 1344, 1498, 1712, 2247, 2568, 2688, 2996, 3424, 4494, 5136, 5992, 6848, 8988, 10272, 11984, 13696, 17976, 20544, 23968, 35952, 41088, 47936, 70879, 71904, 95872, 141758, 143808, 212637, 283516, 287616, 425274, 496153, 567032, 850548, 992306, 1134064, 1488459, 1701096, 1984612, 2268128, 2976918, 3402192, 3969224, 4536256, 5953836, 6804384, 7584053, 7938448, 9072512, 11907672, 13608768, 15168106, 15876896, 22752159, 23815344, 27217536, 30336212, 31753792, 45504318, 47630688, 53088371, 60672424, 63507584, 91008636, 95261376, 106176742, 121344848, 159265113, 182017272, 190522752, 212353484, 242689696, 318530226, 364034544, 424706968, 485379392, 637060452, 728069088, 849413936, 970758784, 1274120904, 1456138176, 1698827872, 2548241808, 2912276352, 3397655744, 5096483616, 6795311488, 10192967232, 20385934464]

約数ペア:

[(1, 20385934464), (2, 10192967232), (3, 6795311488), (4, 5096483616), (6, 3397655744), (7, 2912276352), (8, 2548241808), (12, 1698827872), (14, 1456138176), (16, 1274120904), (21, 970758784), (24, 849413936), (28, 728069088), (32, 637060452), (42, 485379392), (48, 424706968), (56, 364034544), (64, 318530226), (84, 242689696), (96, 212353484), (107, 190522752), (112, 182017272), (128, 159265113), (168, 121344848), (192, 106176742), (214, 95261376), (224, 91008636), (321, 63507584), (336, 60672424), (384, 53088371), (428, 47630688), (448, 45504318), (642, 31753792), (672, 30336212), (749, 27217536), (856, 23815344), (896, 22752159), (1284, 15876896), (1344, 15168106), (1498, 13608768), (1712, 11907672), (2247, 9072512), (2568, 7938448), (2688, 7584053), (2996, 6804384), (3424, 5953836), (4494, 4536256), (5136, 3969224), (5992, 3402192), (6848, 2976918), (8988, 2268128), (10272, 1984612), (11984, 1701096), (13696, 1488459), (17976, 1134064), (20544, 992306), (23968, 850548), (35952, 567032), (41088, 496153), (47936, 425274), (70879, 287616), (71904, 283516), (95872, 212637), (141758, 143808)]