20424248320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{593}}^1$

素因数の和:687

約数の個数: 264

約数和(自身を含む): 57955515552

約数和(自身を除く): 37531267232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 593, 620, 640, 868, 896, 961, 992, 1024, 1085, 1120, 1186, 1240, 1280, 1736, 1792, 1922, 1984, 2170, 2240, 2372, 2480, 2560, 2965, 3472, 3584, 3844, 3968, 4151, 4340, 4480, 4744, 4805, 4960, 5120, 5930, 6727, 6944, 7168, 7688, 7936, 8302, 8680, 8960, 9488, 9610, 9920, 11860, 13454, 13888, 15376, 15872, 16604, 17360, 17920, 18383, 18976, 19220, 19840, 20755, 23720, 26908, 27776, 30752, 31744, 33208, 33635, 34720, 35840, 36766, 37952, 38440, 39680, 41510, 47440, 53816, 55552, 61504, 66416, 67270, 69440, 73532, 75904, 76880, 79360, 83020, 91915, 94880, 107632, 111104, 123008, 128681, 132832, 134540, 138880, 147064, 151808, 153760, 158720, 166040, 183830, 189760, 215264, 222208, 246016, 257362, 265664, 269080, 277760, 294128, 303616, 307520, 332080, 367660, 379520, 430528, 492032, 514724, 531328, 538160, 555520, 569873, 588256, 607232, 615040, 643405, 664160, 735320, 759040, 861056, 984064, 1029448, 1062656, 1076320, 1111040, 1139746, 1176512, 1230080, 1286810, 1328320, 1470640, 1518080, 1722112, 2058896, 2125312, 2152640, 2279492, 2353024, 2460160, 2573620, 2656640, 2849365, 2941280, 3036160, 3444224, 3989111, 4117792, 4250624, 4305280, 4558984, 4706048, 4920320, 5147240, 5313280, 5698730, 5882560, 6888448, 7978222, 8235584, 8610560, 9117968, 9412096, 10294480, 10626560, 11397460, 11765120, 15956444, 16471168, 17221120, 18235936, 18824192, 19945555, 20588960, 21253120, 22794920, 23530240, 31912888, 32942336, 34442240, 36471872, 39891110, 41177920, 45589840, 47060480, 63825776, 65884672, 72943744, 79782220, 82355840, 91179680, 94120960, 127651552, 131769344, 145887488, 159564440, 164711680, 182359360, 255303104, 291774976, 319128880, 329423360, 364718720, 510606208, 583549952, 638257760, 658846720, 729437440, 1021212416, 1276515520, 1458874880, 2042424832, 2553031040, 2917749760, 4084849664, 5106062080, 10212124160, 20424248320]

約数ペア:

[(1, 20424248320), (2, 10212124160), (4, 5106062080), (5, 4084849664), (7, 2917749760), (8, 2553031040), (10, 2042424832), (14, 1458874880), (16, 1276515520), (20, 1021212416), (28, 729437440), (31, 658846720), (32, 638257760), (35, 583549952), (40, 510606208), (56, 364718720), (62, 329423360), (64, 319128880), (70, 291774976), (80, 255303104), (112, 182359360), (124, 164711680), (128, 159564440), (140, 145887488), (155, 131769344), (160, 127651552), (217, 94120960), (224, 91179680), (248, 82355840), (256, 79782220), (280, 72943744), (310, 65884672), (320, 63825776), (434, 47060480), (448, 45589840), (496, 41177920), (512, 39891110), (560, 36471872), (593, 34442240), (620, 32942336), (640, 31912888), (868, 23530240), (896, 22794920), (961, 21253120), (992, 20588960), (1024, 19945555), (1085, 18824192), (1120, 18235936), (1186, 17221120), (1240, 16471168), (1280, 15956444), (1736, 11765120), (1792, 11397460), (1922, 10626560), (1984, 10294480), (2170, 9412096), (2240, 9117968), (2372, 8610560), (2480, 8235584), (2560, 7978222), (2965, 6888448), (3472, 5882560), (3584, 5698730), (3844, 5313280), (3968, 5147240), (4151, 4920320), (4340, 4706048), (4480, 4558984), (4744, 4305280), (4805, 4250624), (4960, 4117792), (5120, 3989111), (5930, 3444224), (6727, 3036160), (6944, 2941280), (7168, 2849365), (7688, 2656640), (7936, 2573620), (8302, 2460160), (8680, 2353024), (8960, 2279492), (9488, 2152640), (9610, 2125312), (9920, 2058896), (11860, 1722112), (13454, 1518080), (13888, 1470640), (15376, 1328320), (15872, 1286810), (16604, 1230080), (17360, 1176512), (17920, 1139746), (18383, 1111040), (18976, 1076320), (19220, 1062656), (19840, 1029448), (20755, 984064), (23720, 861056), (26908, 759040), (27776, 735320), (30752, 664160), (31744, 643405), (33208, 615040), (33635, 607232), (34720, 588256), (35840, 569873), (36766, 555520), (37952, 538160), (38440, 531328), (39680, 514724), (41510, 492032), (47440, 430528), (53816, 379520), (55552, 367660), (61504, 332080), (66416, 307520), (67270, 303616), (69440, 294128), (73532, 277760), (75904, 269080), (76880, 265664), (79360, 257362), (83020, 246016), (91915, 222208), (94880, 215264), (107632, 189760), (111104, 183830), (123008, 166040), (128681, 158720), (132832, 153760), (134540, 151808), (138880, 147064)]