20295561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47309}}^1$

素因数の和:47336

約数の個数: 16

約数和(自身を含む): 31792320

約数和(自身を除く): 11496759

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47309, 141927, 520399, 615017, 1561197, 1845051, 6765187, 20295561]

約数ペア:

[(1, 20295561), (3, 6765187), (11, 1845051), (13, 1561197), (33, 615017), (39, 520399), (143, 141927), (429, 47309)]