20806737152

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{683}}^1\times {\mathrm{937}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 41965249536

約数和(自身を除く): 21158512384

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 683, 937, 1016, 1366, 1874, 2032, 2732, 3748, 4064, 5464, 7496, 8128, 10928, 14992, 16256, 21856, 29984, 32512, 43712, 59968, 86741, 87424, 118999, 119936, 173482, 174848, 237998, 239872, 346964, 475996, 639971, 693928, 951992, 1279942, 1387856, 1903984, 2559884, 2775712, 3807968, 5119768, 5551424, 7615936, 10239536, 11102848, 15231872, 20479072, 22205696, 30463744, 40958144, 81276317, 81916288, 162552634, 163832576, 325105268, 650210536, 1300421072, 2600842144, 5201684288, 10403368576, 20806737152]

約数ペア:

[(1, 20806737152), (2, 10403368576), (4, 5201684288), (8, 2600842144), (16, 1300421072), (32, 650210536), (64, 325105268), (127, 163832576), (128, 162552634), (254, 81916288), (256, 81276317), (508, 40958144), (683, 30463744), (937, 22205696), (1016, 20479072), (1366, 15231872), (1874, 11102848), (2032, 10239536), (2732, 7615936), (3748, 5551424), (4064, 5119768), (5464, 3807968), (7496, 2775712), (8128, 2559884), (10928, 1903984), (14992, 1387856), (16256, 1279942), (21856, 951992), (29984, 693928), (32512, 639971), (43712, 475996), (59968, 346964), (86741, 239872), (87424, 237998), (118999, 174848), (119936, 173482)]