20505074

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2029}}^1$

素因数の和:2225

約数の個数: 16

約数和(自身を含む): 31960320

約数和(自身を除く): 11455246

約数列:

[1, 2, 31, 62, 163, 326, 2029, 4058, 5053, 10106, 62899, 125798, 330727, 661454, 10252537, 20505074]

約数ペア:

[(1, 20505074), (2, 10252537), (31, 661454), (62, 330727), (163, 125798), (326, 62899), (2029, 10106), (4058, 5053)]