20162556

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3050

約数の個数: 36

約数和(自身を含む): 51243192

約数和(自身を除く): 31080636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2843, 3546, 5686, 7092, 8529, 11372, 17058, 25587, 34116, 51174, 102348, 560071, 1120142, 1680213, 2240284, 3360426, 5040639, 6720852, 10081278, 20162556]

約数ペア:

[(1, 20162556), (2, 10081278), (3, 6720852), (4, 5040639), (6, 3360426), (9, 2240284), (12, 1680213), (18, 1120142), (36, 560071), (197, 102348), (394, 51174), (591, 34116), (788, 25587), (1182, 17058), (1773, 11372), (2364, 8529), (2843, 7092), (3546, 5686)]