20007768501

素因数分解:

$3^3\times 7^1\times {\mathrm{105861209}}^1$

素因数の和:105861225

約数の個数: 16

約数和(自身を含む): 33875587200

約数和(自身を除く): 13867818699

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 105861209, 317583627, 741028463, 952750881, 2223085389, 2858252643, 6669256167, 20007768501]

約数ペア:

[(1, 20007768501), (3, 6669256167), (7, 2858252643), (9, 2223085389), (21, 952750881), (27, 741028463), (63, 317583627), (189, 105861209)]