20502459

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 31685472

約数和(自身を除く): 11183013

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 927, 1301, 1751, 3903, 5253, 11709, 15759, 22117, 66351, 134003, 199053, 402009, 1206027, 2278051, 6834153, 20502459]

約数ペア:

[(1, 20502459), (3, 6834153), (9, 2278051), (17, 1206027), (51, 402009), (103, 199053), (153, 134003), (309, 66351), (927, 22117), (1301, 15759), (1751, 11709), (3903, 5253)]