20856483840

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3361}}^1$

素因数の和:3494

約数の個数: 208

約数和(自身を含む): 67413371616

約数和(自身を除く): 46556887776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 303, 320, 384, 404, 480, 505, 512, 606, 640, 768, 808, 960, 1010, 1024, 1212, 1280, 1515, 1536, 1616, 1920, 2020, 2048, 2424, 2560, 3030, 3072, 3232, 3361, 3840, 4040, 4096, 4848, 5120, 6060, 6144, 6464, 6722, 7680, 8080, 9696, 10083, 10240, 12120, 12288, 12928, 13444, 15360, 16160, 16805, 19392, 20166, 20480, 24240, 25856, 26888, 30720, 32320, 33610, 38784, 40332, 48480, 50415, 51712, 53776, 61440, 64640, 67220, 77568, 80664, 96960, 100830, 103424, 107552, 129280, 134440, 155136, 161328, 193920, 201660, 206848, 215104, 258560, 268880, 310272, 322656, 339461, 387840, 403320, 413696, 430208, 517120, 537760, 620544, 645312, 678922, 775680, 806640, 860416, 1018383, 1034240, 1075520, 1241088, 1290624, 1357844, 1551360, 1613280, 1697305, 1720832, 2036766, 2068480, 2151040, 2581248, 2715688, 3102720, 3226560, 3394610, 3441664, 4073532, 4302080, 5091915, 5162496, 5431376, 6205440, 6453120, 6789220, 6883328, 8147064, 8604160, 10183830, 10324992, 10862752, 12906240, 13578440, 13766656, 16294128, 17208320, 20367660, 20649984, 21725504, 25812480, 27156880, 32588256, 34416640, 40735320, 41299968, 43451008, 51624960, 54313760, 65176512, 68833280, 81470640, 86902016, 103249920, 108627520, 130353024, 162941280, 173804032, 206499840, 217255040, 260706048, 325882560, 347608064, 434510080, 521412096, 651765120, 695216128, 869020160, 1042824192, 1303530240, 1390432256, 1738040320, 2085648384, 2607060480, 3476080640, 4171296768, 5214120960, 6952161280, 10428241920, 20856483840]

約数ペア:

[(1, 20856483840), (2, 10428241920), (3, 6952161280), (4, 5214120960), (5, 4171296768), (6, 3476080640), (8, 2607060480), (10, 2085648384), (12, 1738040320), (15, 1390432256), (16, 1303530240), (20, 1042824192), (24, 869020160), (30, 695216128), (32, 651765120), (40, 521412096), (48, 434510080), (60, 347608064), (64, 325882560), (80, 260706048), (96, 217255040), (101, 206499840), (120, 173804032), (128, 162941280), (160, 130353024), (192, 108627520), (202, 103249920), (240, 86902016), (256, 81470640), (303, 68833280), (320, 65176512), (384, 54313760), (404, 51624960), (480, 43451008), (505, 41299968), (512, 40735320), (606, 34416640), (640, 32588256), (768, 27156880), (808, 25812480), (960, 21725504), (1010, 20649984), (1024, 20367660), (1212, 17208320), (1280, 16294128), (1515, 13766656), (1536, 13578440), (1616, 12906240), (1920, 10862752), (2020, 10324992), (2048, 10183830), (2424, 8604160), (2560, 8147064), (3030, 6883328), (3072, 6789220), (3232, 6453120), (3361, 6205440), (3840, 5431376), (4040, 5162496), (4096, 5091915), (4848, 4302080), (5120, 4073532), (6060, 3441664), (6144, 3394610), (6464, 3226560), (6722, 3102720), (7680, 2715688), (8080, 2581248), (9696, 2151040), (10083, 2068480), (10240, 2036766), (12120, 1720832), (12288, 1697305), (12928, 1613280), (13444, 1551360), (15360, 1357844), (16160, 1290624), (16805, 1241088), (19392, 1075520), (20166, 1034240), (20480, 1018383), (24240, 860416), (25856, 806640), (26888, 775680), (30720, 678922), (32320, 645312), (33610, 620544), (38784, 537760), (40332, 517120), (48480, 430208), (50415, 413696), (51712, 403320), (53776, 387840), (61440, 339461), (64640, 322656), (67220, 310272), (77568, 268880), (80664, 258560), (96960, 215104), (100830, 206848), (103424, 201660), (107552, 193920), (129280, 161328), (134440, 155136)]