20123493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3463}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 29097600

約数和(自身を除く): 8974107

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3463, 5811, 10389, 45019, 135057, 515987, 1547961, 6707831, 20123493]

約数ペア:

[(1, 20123493), (3, 6707831), (13, 1547961), (39, 515987), (149, 135057), (447, 45019), (1937, 10389), (3463, 5811)]