2016187856

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1247641}}^1$

素因数の和:1247750

約数の個数: 20

約数和(自身を含む): 3945044004

約数和(自身を除く): 1928856148

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1247641, 2495282, 4990564, 9981128, 19962256, 126011741, 252023482, 504046964, 1008093928, 2016187856]

約数ペア:

[(1, 2016187856), (2, 1008093928), (4, 504046964), (8, 252023482), (16, 126011741), (101, 19962256), (202, 9981128), (404, 4990564), (808, 2495282), (1616, 1247641)]