20161668177

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{62129}}^1$

素因数の和:62263

約数の個数: 64

約数和(自身を含む): 36502617600

約数和(自身を除く): 16340949423

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 101, 119, 153, 189, 303, 357, 459, 707, 909, 1071, 1717, 2121, 2727, 3213, 5151, 6363, 12019, 15453, 19089, 36057, 46359, 62129, 108171, 186387, 324513, 434903, 559161, 1056193, 1304709, 1677483, 3168579, 3914127, 6275029, 7393351, 9505737, 11742381, 18825087, 22180053, 28517211, 43925203, 56475261, 66540159, 106675493, 131775609, 169425783, 199620477, 320026479, 395326827, 746728451, 960079437, 1185980481, 2240185353, 2880238311, 6720556059, 20161668177]

約数ペア:

[(1, 20161668177), (3, 6720556059), (7, 2880238311), (9, 2240185353), (17, 1185980481), (21, 960079437), (27, 746728451), (51, 395326827), (63, 320026479), (101, 199620477), (119, 169425783), (153, 131775609), (189, 106675493), (303, 66540159), (357, 56475261), (459, 43925203), (707, 28517211), (909, 22180053), (1071, 18825087), (1717, 11742381), (2121, 9505737), (2727, 7393351), (3213, 6275029), (5151, 3914127), (6363, 3168579), (12019, 1677483), (15453, 1304709), (19089, 1056193), (36057, 559161), (46359, 434903), (62129, 324513), (108171, 186387)]