20177396841

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3192121}}^1$

素因数の和:3192181

約数の個数: 24

約数和(自身を含む): 32023367904

約数和(自身を除く): 11845971063

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 3192121, 9576363, 22344847, 67034541, 137261203, 156413929, 411783609, 469241787, 960828421, 2882485263, 6725798947, 20177396841]

約数ペア:

[(1, 20177396841), (3, 6725798947), (7, 2882485263), (21, 960828421), (43, 469241787), (49, 411783609), (129, 156413929), (147, 137261203), (301, 67034541), (903, 22344847), (2107, 9576363), (6321, 3192121)]