20561662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5953}}^1$

素因数の和:6123

約数の個数: 16

約数和(自身を含む): 33866352

約数和(自身を除く): 13304690

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5953, 11906, 65483, 130966, 934621, 1869242, 10280831, 20561662]

約数ペア:

[(1, 20561662), (2, 10280831), (11, 1869242), (22, 934621), (157, 130966), (314, 65483), (1727, 11906), (3454, 5953)]