20216805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6211}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 38166528

約数和(自身を除く): 17949723

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6211, 18633, 31055, 43477, 93165, 130431, 192541, 217385, 577623, 652155, 962705, 1347787, 2888115, 4043361, 6738935, 20216805]

約数ペア:

[(1, 20216805), (3, 6738935), (5, 4043361), (7, 2888115), (15, 1347787), (21, 962705), (31, 652155), (35, 577623), (93, 217385), (105, 192541), (155, 130431), (217, 93165), (465, 43477), (651, 31055), (1085, 18633), (3255, 6211)]