20160920187

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{120871}}^1$

素因数の和:121351

約数の個数: 24

約数和(自身を含む): 29867954688

約数和(自身を除く): 9707034501

約数列:

[1, 3, 9, 43, 129, 387, 431, 1293, 3879, 18533, 55599, 120871, 166797, 362613, 1087839, 5197453, 15592359, 46777077, 52095401, 156286203, 468858609, 2240102243, 6720306729, 20160920187]

約数ペア:

[(1, 20160920187), (3, 6720306729), (9, 2240102243), (43, 468858609), (129, 156286203), (387, 52095401), (431, 46777077), (1293, 15592359), (3879, 5197453), (18533, 1087839), (55599, 362613), (120871, 166797)]