820720074

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{206939}}^1$

素因数の和:207605

約数の個数: 16

約数和(自身を含む): 1643931360

約数和(自身を除く): 823211286

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 206939, 413878, 620817, 1241634, 136786679, 273573358, 410360037, 820720074]

約数ペア:

[(1, 820720074), (2, 410360037), (3, 273573358), (6, 136786679), (661, 1241634), (1322, 620817), (1983, 413878), (3966, 206939)]