20646882

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 47792160

約数和(自身を除く): 27145278

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 827, 1314, 1387, 1654, 2481, 2774, 4161, 4962, 7443, 8322, 12483, 14886, 15713, 24966, 31426, 47139, 60371, 94278, 120742, 141417, 181113, 282834, 362226, 543339, 1086678, 1147049, 2294098, 3441147, 6882294, 10323441, 20646882]

約数ペア:

[(1, 20646882), (2, 10323441), (3, 6882294), (6, 3441147), (9, 2294098), (18, 1147049), (19, 1086678), (38, 543339), (57, 362226), (73, 282834), (114, 181113), (146, 141417), (171, 120742), (219, 94278), (342, 60371), (438, 47139), (657, 31426), (827, 24966), (1314, 15713), (1387, 14886), (1654, 12483), (2481, 8322), (2774, 7443), (4161, 4962)]