20281017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8461}}^1$

素因数の和:8528

約数の個数: 16

約数和(自身を含む): 29244672

約数和(自身を除く): 8963655

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8461, 25383, 143837, 397667, 431511, 1193001, 6760339, 20281017]

約数ペア:

[(1, 20281017), (3, 6760339), (17, 1193001), (47, 431511), (51, 397667), (141, 143837), (799, 25383), (2397, 8461)]