20781156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157433}}^1$

素因数の和:157451

約数の個数: 24

約数和(自身を含む): 52897824

約数和(自身を除く): 32116668

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157433, 314866, 472299, 629732, 944598, 1731763, 1889196, 3463526, 5195289, 6927052, 10390578, 20781156]

約数ペア:

[(1, 20781156), (2, 10390578), (3, 6927052), (4, 5195289), (6, 3463526), (11, 1889196), (12, 1731763), (22, 944598), (33, 629732), (44, 472299), (66, 314866), (132, 157433)]