20295781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 16

約数和(自身を含む): 23457600

約数和(自身を除く): 3161819

約数列:

[1, 11, 19, 209, 269, 361, 2959, 3971, 5111, 6859, 56221, 75449, 97109, 1068199, 1845071, 20295781]

約数ペア:

[(1, 20295781), (11, 1845071), (19, 1068199), (209, 97109), (269, 75449), (361, 56221), (2959, 6859), (3971, 5111)]