20118429

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 12074211

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 827, 901, 1431, 2481, 2703, 7443, 8109, 14059, 22329, 24327, 42177, 43831, 126531, 131493, 379593, 394479, 745127, 1183437, 2235381, 6706143, 20118429]

約数ペア:

[(1, 20118429), (3, 6706143), (9, 2235381), (17, 1183437), (27, 745127), (51, 394479), (53, 379593), (153, 131493), (159, 126531), (459, 43831), (477, 42177), (827, 24327), (901, 22329), (1431, 14059), (2481, 8109), (2703, 7443)]