20995146

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1549}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 25876854

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1506, 1549, 2259, 3098, 4518, 4647, 6777, 9294, 13554, 13941, 27882, 41823, 83646, 388799, 777598, 1166397, 2332794, 3499191, 6998382, 10497573, 20995146]

約数ペア:

[(1, 20995146), (2, 10497573), (3, 6998382), (6, 3499191), (9, 2332794), (18, 1166397), (27, 777598), (54, 388799), (251, 83646), (502, 41823), (753, 27882), (1506, 13941), (1549, 13554), (2259, 9294), (3098, 6777), (4518, 4647)]