20109199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 23284224

約数和(自身を除く): 3175025

約数列:

[1, 11, 23, 61, 253, 671, 1303, 1403, 14333, 15433, 29969, 79483, 329659, 874313, 1828109, 20109199]

約数ペア:

[(1, 20109199), (11, 1828109), (23, 874313), (61, 329659), (253, 79483), (671, 29969), (1303, 15433), (1403, 14333)]