20958198

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151871}}^1$

素因数の和:151899

約数の個数: 16

約数和(自身を含む): 43739136

約数和(自身を除く): 22780938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151871, 303742, 455613, 911226, 3493033, 6986066, 10479099, 20958198]

約数ペア:

[(1, 20958198), (2, 10479099), (3, 6986066), (6, 3493033), (23, 911226), (46, 455613), (69, 303742), (138, 151871)]