20191467520

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2924

約数の個数: 192

約数和(自身を含む): 55937044800

約数和(自身を除く): 35745577280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 128, 140, 160, 202, 224, 256, 280, 320, 404, 448, 505, 512, 560, 640, 707, 808, 896, 1010, 1024, 1120, 1280, 1414, 1616, 1792, 2020, 2048, 2240, 2560, 2789, 2828, 3232, 3535, 3584, 4040, 4480, 5120, 5578, 5656, 6464, 7070, 7168, 8080, 8960, 10240, 11156, 11312, 12928, 13945, 14140, 14336, 16160, 17920, 19523, 22312, 22624, 25856, 27890, 28280, 32320, 35840, 39046, 44624, 45248, 51712, 55780, 56560, 64640, 71680, 78092, 89248, 90496, 97615, 103424, 111560, 113120, 129280, 156184, 178496, 180992, 195230, 206848, 223120, 226240, 258560, 281689, 312368, 356992, 361984, 390460, 446240, 452480, 517120, 563378, 624736, 713984, 723968, 780920, 892480, 904960, 1034240, 1126756, 1249472, 1408445, 1427968, 1447936, 1561840, 1784960, 1809920, 1971823, 2253512, 2498944, 2816890, 2855936, 3123680, 3569920, 3619840, 3943646, 4507024, 4997888, 5633780, 5711872, 6247360, 7139840, 7239680, 7887292, 9014048, 9859115, 9995776, 11267560, 12494720, 14279680, 15774584, 18028096, 19718230, 19991552, 22535120, 24989440, 28559360, 31549168, 36056192, 39436460, 39983104, 45070240, 49978880, 63098336, 72112384, 78872920, 90140480, 99957760, 126196672, 144224768, 157745840, 180280960, 199915520, 252393344, 288449536, 315491680, 360561920, 504786688, 576899072, 630983360, 721123840, 1009573376, 1261966720, 1442247680, 2019146752, 2523933440, 2884495360, 4038293504, 5047866880, 10095733760, 20191467520]

約数ペア:

[(1, 20191467520), (2, 10095733760), (4, 5047866880), (5, 4038293504), (7, 2884495360), (8, 2523933440), (10, 2019146752), (14, 1442247680), (16, 1261966720), (20, 1009573376), (28, 721123840), (32, 630983360), (35, 576899072), (40, 504786688), (56, 360561920), (64, 315491680), (70, 288449536), (80, 252393344), (101, 199915520), (112, 180280960), (128, 157745840), (140, 144224768), (160, 126196672), (202, 99957760), (224, 90140480), (256, 78872920), (280, 72112384), (320, 63098336), (404, 49978880), (448, 45070240), (505, 39983104), (512, 39436460), (560, 36056192), (640, 31549168), (707, 28559360), (808, 24989440), (896, 22535120), (1010, 19991552), (1024, 19718230), (1120, 18028096), (1280, 15774584), (1414, 14279680), (1616, 12494720), (1792, 11267560), (2020, 9995776), (2048, 9859115), (2240, 9014048), (2560, 7887292), (2789, 7239680), (2828, 7139840), (3232, 6247360), (3535, 5711872), (3584, 5633780), (4040, 4997888), (4480, 4507024), (5120, 3943646), (5578, 3619840), (5656, 3569920), (6464, 3123680), (7070, 2855936), (7168, 2816890), (8080, 2498944), (8960, 2253512), (10240, 1971823), (11156, 1809920), (11312, 1784960), (12928, 1561840), (13945, 1447936), (14140, 1427968), (14336, 1408445), (16160, 1249472), (17920, 1126756), (19523, 1034240), (22312, 904960), (22624, 892480), (25856, 780920), (27890, 723968), (28280, 713984), (32320, 624736), (35840, 563378), (39046, 517120), (44624, 452480), (45248, 446240), (51712, 390460), (55780, 361984), (56560, 356992), (64640, 312368), (71680, 281689), (78092, 258560), (89248, 226240), (90496, 223120), (97615, 206848), (103424, 195230), (111560, 180992), (113120, 178496), (129280, 156184)]