20516792

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82729}}^1$

素因数の和:82766

約数の個数: 16

約数和(自身を含む): 39710400

約数和(自身を除く): 19193608

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82729, 165458, 330916, 661832, 2564599, 5129198, 10258396, 20516792]

約数ペア:

[(1, 20516792), (2, 10258396), (4, 5129198), (8, 2564599), (31, 661832), (62, 330916), (124, 165458), (248, 82729)]