20752897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 2616575

約数列:

[1, 11, 47, 137, 293, 517, 1507, 3223, 6439, 13771, 40141, 70829, 151481, 441551, 1886627, 20752897]

約数ペア:

[(1, 20752897), (11, 1886627), (47, 441551), (137, 151481), (293, 70829), (517, 40141), (1507, 13771), (3223, 6439)]