20171082020

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{533909}}^1$

素因数の和:535807

約数の個数: 24

約数和(自身を含む): 42381775800

約数和(自身を除く): 22210693780

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 7556, 9445, 18890, 37780, 533909, 1067818, 2135636, 2669545, 5339090, 10678180, 1008554101, 2017108202, 4034216404, 5042770505, 10085541010, 20171082020]

約数ペア:

[(1, 20171082020), (2, 10085541010), (4, 5042770505), (5, 4034216404), (10, 2017108202), (20, 1008554101), (1889, 10678180), (3778, 5339090), (7556, 2669545), (9445, 2135636), (18890, 1067818), (37780, 533909)]