20028057

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56101}}^1$

素因数の和:56128

約数の個数: 16

約数和(自身を含む): 32314752

約数和(自身を除く): 12286695

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56101, 168303, 392707, 953717, 1178121, 2861151, 6676019, 20028057]

約数ペア:

[(1, 20028057), (3, 6676019), (7, 2861151), (17, 1178121), (21, 953717), (51, 392707), (119, 168303), (357, 56101)]