20172707408

素因数分解:

$2^4\times 7^1\times {\mathrm{180113459}}^1$

素因数の和:180113474

約数の個数: 20

約数和(自身を含む): 44668138080

約数和(自身を除く): 24495430672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180113459, 360226918, 720453836, 1260794213, 1440907672, 2521588426, 2881815344, 5043176852, 10086353704, 20172707408]

約数ペア:

[(1, 20172707408), (2, 10086353704), (4, 5043176852), (7, 2881815344), (8, 2521588426), (14, 1440907672), (16, 1260794213), (28, 720453836), (56, 360226918), (112, 180113459)]