20400094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71329}}^1$

素因数の和:71355

約数の個数: 16

約数和(自身を含む): 35950320

約数和(自身を除く): 15550226

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71329, 142658, 784619, 927277, 1569238, 1854554, 10200047, 20400094]

約数ペア:

[(1, 20400094), (2, 10200047), (11, 1854554), (13, 1569238), (22, 927277), (26, 784619), (143, 142658), (286, 71329)]