20884761

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1063}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 31536960

約数和(自身を除く): 10652199

約数列:

[1, 3, 9, 37, 59, 111, 177, 333, 531, 1063, 2183, 3189, 6549, 9567, 19647, 39331, 62717, 117993, 188151, 353979, 564453, 2320529, 6961587, 20884761]

約数ペア:

[(1, 20884761), (3, 6961587), (9, 2320529), (37, 564453), (59, 353979), (111, 188151), (177, 117993), (333, 62717), (531, 39331), (1063, 19647), (2183, 9567), (3189, 6549)]