20161880452

素因数分解:

$2^2\times 7^2\times {\mathrm{102866737}}^1$

素因数の和:102866755

約数の個数: 18

約数和(自身を含む): 41043828462

約数和(自身を除く): 20881948010

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102866737, 205733474, 411466948, 720067159, 1440134318, 2880268636, 5040470113, 10080940226, 20161880452]

約数ペア:

[(1, 20161880452), (2, 10080940226), (4, 5040470113), (7, 2880268636), (14, 1440134318), (28, 720067159), (49, 411466948), (98, 205733474), (196, 102866737)]