20781567382057

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1\times {\mathrm{5046859}}^1$

素因数の和:5047093

約数の個数: 24

約数和(自身を含む): 22699605408480

約数和(自身を除く): 1918038026423

約数列:

[1, 17, 43, 131, 731, 1849, 2227, 5633, 31433, 95761, 242219, 4117723, 5046859, 85796603, 217014937, 661138529, 3689253929, 9331642291, 11239354993, 28428956747, 158637918947, 483292264699, 1222445140121, 20781567382057]

約数ペア:

[(1, 20781567382057), (17, 1222445140121), (43, 483292264699), (131, 158637918947), (731, 28428956747), (1849, 11239354993), (2227, 9331642291), (5633, 3689253929), (31433, 661138529), (95761, 217014937), (242219, 85796603), (4117723, 5046859)]