20614013

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 25069824

約数和(自身を除く): 4455811

約数列:

[1, 7, 17, 119, 311, 557, 2177, 3899, 5287, 9469, 37009, 66283, 173227, 1212589, 2944859, 20614013]

約数ペア:

[(1, 20614013), (7, 2944859), (17, 1212589), (119, 173227), (311, 66283), (557, 37009), (2177, 9469), (3899, 5287)]