20176483173

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{21787}}^1$

素因数の和:22038

約数の個数: 64

約数和(自身を含む): 35474350080

約数和(自身を除く): 15297866907

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 211, 231, 399, 627, 633, 1463, 1477, 2321, 4009, 4389, 4431, 6963, 12027, 16247, 21787, 28063, 44099, 48741, 65361, 84189, 132297, 152509, 239657, 308693, 413953, 457527, 718971, 926079, 1241859, 1677599, 2897671, 4553483, 4597057, 5032797, 8693013, 13660449, 13791171, 31874381, 32179399, 50567627, 87344083, 95623143, 96538197, 151702881, 262032249, 353973389, 611408581, 960784913, 1061920167, 1834225743, 2882354739, 6725494391, 20176483173]

約数ペア:

[(1, 20176483173), (3, 6725494391), (7, 2882354739), (11, 1834225743), (19, 1061920167), (21, 960784913), (33, 611408581), (57, 353973389), (77, 262032249), (133, 151702881), (209, 96538197), (211, 95623143), (231, 87344083), (399, 50567627), (627, 32179399), (633, 31874381), (1463, 13791171), (1477, 13660449), (2321, 8693013), (4009, 5032797), (4389, 4597057), (4431, 4553483), (6963, 2897671), (12027, 1677599), (16247, 1241859), (21787, 926079), (28063, 718971), (44099, 457527), (48741, 413953), (65361, 308693), (84189, 239657), (132297, 152509)]