20357183

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4481}}^1$

素因数の和:4558

約数の個数: 16

約数和(自身を含む): 25816320

約数和(自身を除く): 5459137

約数列:

[1, 7, 11, 59, 77, 413, 649, 4481, 4543, 31367, 49291, 264379, 345037, 1850653, 2908169, 20357183]

約数ペア:

[(1, 20357183), (7, 2908169), (11, 1850653), (59, 345037), (77, 264379), (413, 49291), (649, 31367), (4481, 4543)]