20898156

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{3967}}^1$

素因数の和:4413

約数の個数: 24

約数和(自身を含む): 48885760

約数和(自身を除く): 27987604

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 3967, 5268, 7934, 11901, 15868, 23802, 47604, 1741513, 3483026, 5224539, 6966052, 10449078, 20898156]

約数ペア:

[(1, 20898156), (2, 10449078), (3, 6966052), (4, 5224539), (6, 3483026), (12, 1741513), (439, 47604), (878, 23802), (1317, 15868), (1756, 11901), (2634, 7934), (3967, 5268)]