20557533

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{1109}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 28344960

約数和(自身を除く): 7787427

約数列:

[1, 3, 37, 111, 167, 501, 1109, 3327, 6179, 18537, 41033, 123099, 185203, 555609, 6852511, 20557533]

約数ペア:

[(1, 20557533), (3, 6852511), (37, 555609), (111, 185203), (167, 123099), (501, 41033), (1109, 18537), (3327, 6179)]