20565587511

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{33151}}^1$

素因数の和:33436

約数の個数: 48

約数和(自身を含む): 34891816960

約数和(自身を除く): 14326229449

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 229, 301, 387, 687, 903, 1603, 2061, 2709, 4809, 9847, 14427, 29541, 33151, 68929, 88623, 99453, 206787, 232057, 298359, 620361, 696171, 1425493, 2088513, 4276479, 7591579, 9978451, 12829437, 22774737, 29935353, 53141053, 68324211, 89806059, 159423159, 326437897, 478269477, 979313691, 2285065279, 2937941073, 6855195837, 20565587511]

約数ペア:

[(1, 20565587511), (3, 6855195837), (7, 2937941073), (9, 2285065279), (21, 979313691), (43, 478269477), (63, 326437897), (129, 159423159), (229, 89806059), (301, 68324211), (387, 53141053), (687, 29935353), (903, 22774737), (1603, 12829437), (2061, 9978451), (2709, 7591579), (4809, 4276479), (9847, 2088513), (14427, 1425493), (29541, 696171), (33151, 620361), (68929, 298359), (88623, 232057), (99453, 206787)]