20199442879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{318749}}^1$

素因数の和:319590

約数の個数: 16

約数和(自身を含む): 25214400000

約数和(自身を除く): 5014957121

約数列:

[1, 7, 11, 77, 823, 5761, 9053, 63371, 318749, 2231243, 3506239, 24543673, 262330427, 1836312989, 2885634697, 20199442879]

約数ペア:

[(1, 20199442879), (7, 2885634697), (11, 1836312989), (77, 262330427), (823, 24543673), (5761, 3506239), (9053, 2231243), (63371, 318749)]