20490474

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26079126

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 97, 102, 109, 114, 194, 218, 291, 323, 327, 582, 646, 654, 969, 1649, 1843, 1853, 1938, 2071, 3298, 3686, 3706, 4142, 4947, 5529, 5559, 6213, 9894, 10573, 11058, 11118, 12426, 21146, 31331, 31719, 35207, 62662, 63438, 70414, 93993, 105621, 179741, 187986, 200887, 211242, 359482, 401774, 539223, 602661, 1078446, 1205322, 3415079, 6830158, 10245237, 20490474]

約数ペア:

[(1, 20490474), (2, 10245237), (3, 6830158), (6, 3415079), (17, 1205322), (19, 1078446), (34, 602661), (38, 539223), (51, 401774), (57, 359482), (97, 211242), (102, 200887), (109, 187986), (114, 179741), (194, 105621), (218, 93993), (291, 70414), (323, 63438), (327, 62662), (582, 35207), (646, 31719), (654, 31331), (969, 21146), (1649, 12426), (1843, 11118), (1853, 11058), (1938, 10573), (2071, 9894), (3298, 6213), (3686, 5559), (3706, 5529), (4142, 4947)]