20172688461

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{190807}}^1$

素因数の和:191521

約数の個数: 24

約数和(自身を含む): 30897157824

約数和(自身を除く): 10724469363

約数列:

[1, 3, 9, 17, 51, 153, 691, 2073, 6219, 11747, 35241, 105723, 190807, 572421, 1717263, 3243719, 9731157, 29193471, 131847637, 395542911, 1186628733, 2241409829, 6724229487, 20172688461]

約数ペア:

[(1, 20172688461), (3, 6724229487), (9, 2241409829), (17, 1186628733), (51, 395542911), (153, 131847637), (691, 29193471), (2073, 9731157), (6219, 3243719), (11747, 1717263), (35241, 572421), (105723, 190807)]