20337247

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 23875072

約数和(自身を除く): 3537825

約数列:

[1, 7, 67, 103, 421, 469, 721, 2947, 6901, 28207, 43363, 48307, 197449, 303541, 2905321, 20337247]

約数ペア:

[(1, 20337247), (7, 2905321), (67, 303541), (103, 197449), (421, 48307), (469, 43363), (721, 28207), (2947, 6901)]