20797002245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{997219}}^1$

素因数の和:997364

約数の個数: 16

約数和(自身を含む): 25800075840

約数和(自身を除く): 5003073595

約数列:

[1, 5, 43, 97, 215, 485, 4171, 20855, 997219, 4986095, 42880417, 96730243, 214402085, 483651215, 4159400449, 20797002245]

約数ペア:

[(1, 20797002245), (5, 4159400449), (43, 483651215), (97, 214402085), (215, 96730243), (485, 42880417), (4171, 4986095), (20855, 997219)]