20387435520

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57709}}^1$

素因数の和:57760

約数の個数: 176

約数和(自身を含む): 68044245120

約数和(自身を除く): 47656809600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 736, 768, 920, 960, 1024, 1104, 1280, 1380, 1472, 1536, 1840, 1920, 2208, 2560, 2760, 2944, 3072, 3680, 3840, 4416, 5120, 5520, 5888, 7360, 7680, 8832, 11040, 11776, 14720, 15360, 17664, 22080, 23552, 29440, 35328, 44160, 57709, 58880, 70656, 88320, 115418, 117760, 173127, 176640, 230836, 288545, 346254, 353280, 461672, 577090, 692508, 865635, 923344, 1154180, 1327307, 1385016, 1731270, 1846688, 2308360, 2654614, 2770032, 3462540, 3693376, 3981921, 4616720, 5309228, 5540064, 6636535, 6925080, 7386752, 7963842, 9233440, 10618456, 11080128, 13273070, 13850160, 14773504, 15927684, 18466880, 19909605, 21236912, 22160256, 26546140, 27700320, 29547008, 31855368, 36933760, 39819210, 42473824, 44320512, 53092280, 55400640, 59094016, 63710736, 73867520, 79638420, 84947648, 88641024, 106184560, 110801280, 127421472, 147735040, 159276840, 169895296, 177282048, 212369120, 221602560, 254842944, 295470080, 318553680, 339790592, 424738240, 443205120, 509685888, 637107360, 679581184, 849476480, 886410240, 1019371776, 1274214720, 1359162368, 1698952960, 2038743552, 2548429440, 3397905920, 4077487104, 5096858880, 6795811840, 10193717760, 20387435520]

約数ペア:

[(1, 20387435520), (2, 10193717760), (3, 6795811840), (4, 5096858880), (5, 4077487104), (6, 3397905920), (8, 2548429440), (10, 2038743552), (12, 1698952960), (15, 1359162368), (16, 1274214720), (20, 1019371776), (23, 886410240), (24, 849476480), (30, 679581184), (32, 637107360), (40, 509685888), (46, 443205120), (48, 424738240), (60, 339790592), (64, 318553680), (69, 295470080), (80, 254842944), (92, 221602560), (96, 212369120), (115, 177282048), (120, 169895296), (128, 159276840), (138, 147735040), (160, 127421472), (184, 110801280), (192, 106184560), (230, 88641024), (240, 84947648), (256, 79638420), (276, 73867520), (320, 63710736), (345, 59094016), (368, 55400640), (384, 53092280), (460, 44320512), (480, 42473824), (512, 39819210), (552, 36933760), (640, 31855368), (690, 29547008), (736, 27700320), (768, 26546140), (920, 22160256), (960, 21236912), (1024, 19909605), (1104, 18466880), (1280, 15927684), (1380, 14773504), (1472, 13850160), (1536, 13273070), (1840, 11080128), (1920, 10618456), (2208, 9233440), (2560, 7963842), (2760, 7386752), (2944, 6925080), (3072, 6636535), (3680, 5540064), (3840, 5309228), (4416, 4616720), (5120, 3981921), (5520, 3693376), (5888, 3462540), (7360, 2770032), (7680, 2654614), (8832, 2308360), (11040, 1846688), (11776, 1731270), (14720, 1385016), (15360, 1327307), (17664, 1154180), (22080, 923344), (23552, 865635), (29440, 692508), (35328, 577090), (44160, 461672), (57709, 353280), (58880, 346254), (70656, 288545), (88320, 230836), (115418, 176640), (117760, 173127)]