20156018

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1177

約数の個数: 16

約数和(自身を含む): 30862944

約数和(自身を除く): 10706926

約数列:

[1, 2, 97, 107, 194, 214, 971, 1942, 10379, 20758, 94187, 103897, 188374, 207794, 10078009, 20156018]

約数ペア:

[(1, 20156018), (2, 10078009), (97, 207794), (107, 188374), (194, 103897), (214, 94187), (971, 20758), (1942, 10379)]