20175753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30431}}^1$

素因数の和:30464

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 10499703

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30431, 91293, 395603, 517327, 1186809, 1551981, 6725251, 20175753]

約数ペア:

[(1, 20175753), (3, 6725251), (13, 1551981), (17, 1186809), (39, 517327), (51, 395603), (221, 91293), (663, 30431)]