20172978771

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1\times {\mathrm{12547}}^1$

素因数の和:13231

約数の個数: 32

約数和(自身を含む): 29748999168

約数和(自身を除く): 9576020397

約数列:

[1, 3, 11, 33, 83, 249, 587, 913, 1761, 2739, 6457, 12547, 19371, 37641, 48721, 138017, 146163, 414051, 535931, 1041401, 1607793, 3124203, 7365089, 11455411, 22095267, 34366233, 81015979, 243047937, 611302387, 1833907161, 6724326257, 20172978771]

約数ペア:

[(1, 20172978771), (3, 6724326257), (11, 1833907161), (33, 611302387), (83, 243047937), (249, 81015979), (587, 34366233), (913, 22095267), (1761, 11455411), (2739, 7365089), (6457, 3124203), (12547, 1607793), (19371, 1041401), (37641, 535931), (48721, 414051), (138017, 146163)]