20795536720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3499}}^1\times {\mathrm{10613}}^1$

素因数の和:14132

約数の個数: 80

約数和(自身を含む): 55277712000

約数和(自身を除く): 34482175280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3499, 6998, 10613, 13996, 17495, 21226, 24493, 27992, 34990, 42452, 48986, 53065, 55984, 69980, 74291, 84904, 97972, 106130, 122465, 139960, 148582, 169808, 195944, 212260, 244930, 279920, 297164, 371455, 391888, 424520, 489860, 594328, 742910, 849040, 979720, 1188656, 1485820, 1959440, 2971640, 5943280, 37134887, 74269774, 148539548, 185674435, 259944209, 297079096, 371348870, 519888418, 594158192, 742697740, 1039776836, 1299721045, 1485395480, 2079553672, 2599442090, 2970790960, 4159107344, 5198884180, 10397768360, 20795536720]

約数ペア:

[(1, 20795536720), (2, 10397768360), (4, 5198884180), (5, 4159107344), (7, 2970790960), (8, 2599442090), (10, 2079553672), (14, 1485395480), (16, 1299721045), (20, 1039776836), (28, 742697740), (35, 594158192), (40, 519888418), (56, 371348870), (70, 297079096), (80, 259944209), (112, 185674435), (140, 148539548), (280, 74269774), (560, 37134887), (3499, 5943280), (6998, 2971640), (10613, 1959440), (13996, 1485820), (17495, 1188656), (21226, 979720), (24493, 849040), (27992, 742910), (34990, 594328), (42452, 489860), (48986, 424520), (53065, 391888), (55984, 371455), (69980, 297164), (74291, 279920), (84904, 244930), (97972, 212260), (106130, 195944), (122465, 169808), (139960, 148582)]