20660004

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 52363584

約数和(自身を除く): 31703580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 887, 1294, 1774, 1941, 2588, 2661, 3548, 3882, 5322, 5823, 7764, 7983, 10644, 11646, 15966, 23292, 31932, 573889, 1147778, 1721667, 2295556, 3443334, 5165001, 6886668, 10330002, 20660004]

約数ペア:

[(1, 20660004), (2, 10330002), (3, 6886668), (4, 5165001), (6, 3443334), (9, 2295556), (12, 1721667), (18, 1147778), (36, 573889), (647, 31932), (887, 23292), (1294, 15966), (1774, 11646), (1941, 10644), (2588, 7983), (2661, 7764), (3548, 5823), (3882, 5322)]