20179539

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6211}}^1$

素因数の和:6255

約数の個数: 18

約数和(自身を含む): 30768036

約数和(自身を除く): 10588497

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6211, 18633, 55899, 118009, 354027, 1062081, 2242171, 6726513, 20179539]

約数ペア:

[(1, 20179539), (3, 6726513), (9, 2242171), (19, 1062081), (57, 354027), (171, 118009), (361, 55899), (1083, 18633), (3249, 6211)]