20836781161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 26273120256

約数和(自身を除く): 5436339095

約数列:

[1, 7, 23, 31, 71, 127, 161, 217, 463, 497, 713, 889, 1633, 2201, 2921, 3241, 3937, 4991, 9017, 10649, 11431, 14353, 15407, 20447, 27559, 32873, 50623, 58801, 63119, 74543, 90551, 100471, 207391, 230111, 279527, 330119, 354361, 411607, 633857, 756079, 1019063, 1352423, 1451737, 1822831, 1956689, 2310833, 4174871, 5292553, 6429121, 7133441, 9466961, 12759817, 23438449, 29224097, 41925113, 45003847, 96022033, 129421001, 164069143, 293475791, 672154231, 905947007, 2976683023, 20836781161]

約数ペア:

[(1, 20836781161), (7, 2976683023), (23, 905947007), (31, 672154231), (71, 293475791), (127, 164069143), (161, 129421001), (217, 96022033), (463, 45003847), (497, 41925113), (713, 29224097), (889, 23438449), (1633, 12759817), (2201, 9466961), (2921, 7133441), (3241, 6429121), (3937, 5292553), (4991, 4174871), (9017, 2310833), (10649, 1956689), (11431, 1822831), (14353, 1451737), (15407, 1352423), (20447, 1019063), (27559, 756079), (32873, 633857), (50623, 411607), (58801, 354361), (63119, 330119), (74543, 279527), (90551, 230111), (100471, 207391)]