20001851

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 22502400

約数和(自身を除く): 2500549

約数列:

[1, 19, 29, 31, 551, 589, 899, 1171, 17081, 22249, 33959, 36301, 645221, 689719, 1052729, 20001851]

約数ペア:

[(1, 20001851), (19, 1052729), (29, 689719), (31, 645221), (551, 36301), (589, 33959), (899, 22249), (1171, 17081)]