20579877

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4393

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 11918043

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4339, 4743, 13017, 39051, 73763, 134509, 221289, 403527, 663867, 1210581, 2286653, 6859959, 20579877]

約数ペア:

[(1, 20579877), (3, 6859959), (9, 2286653), (17, 1210581), (31, 663867), (51, 403527), (93, 221289), (153, 134509), (279, 73763), (527, 39051), (1581, 13017), (4339, 4743)]