20019521

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 22310400

約数和(自身を除く): 2290879

約数列:

[1, 19, 31, 41, 589, 779, 829, 1271, 15751, 24149, 25699, 33989, 488281, 645791, 1053659, 20019521]

約数ペア:

[(1, 20019521), (19, 1053659), (31, 645791), (41, 488281), (589, 33989), (779, 25699), (829, 24149), (1271, 15751)]