20451898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1447}}^1$

素因数の和:1677

約数の個数: 16

約数和(自身を含む): 31693824

約数和(自身を除く): 11241926

約数列:

[1, 2, 37, 74, 191, 382, 1447, 2894, 7067, 14134, 53539, 107078, 276377, 552754, 10225949, 20451898]

約数ペア:

[(1, 20451898), (2, 10225949), (37, 552754), (74, 276377), (191, 107078), (382, 53539), (1447, 14134), (2894, 7067)]