20992929

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6949}}^1$

素因数の和:7024

約数の個数: 16

約数和(自身を含む): 30024000

約数和(自身を除く): 9031071

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6949, 20847, 132031, 368297, 396093, 1104891, 6997643, 20992929]

約数ペア:

[(1, 20992929), (3, 6997643), (19, 1104891), (53, 396093), (57, 368297), (159, 132031), (1007, 20847), (3021, 6949)]