20512071997556

素因数分解:

$2^2\times {\mathrm{3720811}}^1\times {\mathrm{1378199}}^1$

素因数の和:5099014

約数の個数: 12

約数和(自身を含む): 35896161688800

約数和(自身を除く): 15384089691244

約数列:

[1, 2, 4, 1378199, 2756398, 3720811, 5512796, 7441622, 14883244, 5128017999389, 10256035998778, 20512071997556]

約数ペア:

[(1, 20512071997556), (2, 10256035998778), (4, 5128017999389), (1378199, 14883244), (2756398, 7441622), (3720811, 5512796)]