20898442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3691}}^1$

素因数の和:3861

約数の個数: 16

約数和(自身を含む): 33228000

約数和(自身を除く): 12329558

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3691, 5662, 7382, 70129, 140258, 549959, 1099918, 10449221, 20898442]

約数ペア:

[(1, 20898442), (2, 10449221), (19, 1099918), (38, 549959), (149, 140258), (298, 70129), (2831, 7382), (3691, 5662)]