20785754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6257}}^1$

素因数の和:6421

約数の個数: 16

約数和(自身を含む): 34243776

約数和(自身を除く): 13458022

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6257, 12514, 68827, 137654, 944807, 1889614, 10392877, 20785754]

約数ペア:

[(1, 20785754), (2, 10392877), (11, 1889614), (22, 944807), (151, 137654), (302, 68827), (1661, 12514), (3322, 6257)]