20182779

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 29952000

約数和(自身を除く): 9769221

約数列:

[1, 3, 9, 59, 177, 191, 199, 531, 573, 597, 1719, 1791, 11269, 11741, 33807, 35223, 38009, 101421, 105669, 114027, 342081, 2242531, 6727593, 20182779]

約数ペア:

[(1, 20182779), (3, 6727593), (9, 2242531), (59, 342081), (177, 114027), (191, 105669), (199, 101421), (531, 38009), (573, 35223), (597, 33807), (1719, 11741), (1791, 11269)]