20162908077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{18583}}^1$

素因数の和:19289

約数の個数: 32

約数和(自身を含む): 29672552448

約数和(自身を除く): 9509644371

約数列:

[1, 3, 13, 39, 43, 129, 559, 647, 1677, 1941, 8411, 18583, 25233, 27821, 55749, 83463, 241579, 361673, 724737, 799069, 1085019, 2397207, 10387897, 12023201, 31163691, 36069603, 156301613, 468904839, 516997643, 1550992929, 6720969359, 20162908077]

約数ペア:

[(1, 20162908077), (3, 6720969359), (13, 1550992929), (39, 516997643), (43, 468904839), (129, 156301613), (559, 36069603), (647, 31163691), (1677, 12023201), (1941, 10387897), (8411, 2397207), (18583, 1085019), (25233, 799069), (27821, 724737), (55749, 361673), (83463, 241579)]