20384710

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9661}}^1$

素因数の和:9879

約数の個数: 16

約数和(自身を含む): 36870192

約数和(自身を除く): 16485482

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9661, 19322, 48305, 96610, 2038471, 4076942, 10192355, 20384710]

約数ペア:

[(1, 20384710), (2, 10192355), (5, 4076942), (10, 2038471), (211, 96610), (422, 48305), (1055, 19322), (2110, 9661)]