20998001

素因数分解:

${\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 22472640

約数和(自身を除く): 1474639

約数列:

[1, 29, 67, 101, 107, 1943, 2929, 3103, 6767, 7169, 10807, 196243, 207901, 313403, 724069, 20998001]

約数ペア:

[(1, 20998001), (29, 724069), (67, 313403), (101, 207901), (107, 196243), (1943, 10807), (2929, 7169), (3103, 6767)]