20148987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2341}}^1$

素因数の和:2514

約数の個数: 16

約数和(自身を含む): 28478720

約数和(自身を除く): 8329733

約数列:

[1, 3, 19, 57, 151, 453, 2341, 2869, 7023, 8607, 44479, 133437, 353491, 1060473, 6716329, 20148987]

約数ペア:

[(1, 20148987), (3, 6716329), (19, 1060473), (57, 353491), (151, 133437), (453, 44479), (2341, 8607), (2869, 7023)]