20021391

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57041}}^1$

素因数の和:57063

約数の個数: 16

約数和(自身を含む): 31943520

約数和(自身を除く): 11922129

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57041, 171123, 513369, 741533, 1540107, 2224599, 6673797, 20021391]

約数ペア:

[(1, 20021391), (3, 6673797), (9, 2224599), (13, 1540107), (27, 741533), (39, 513369), (117, 171123), (351, 57041)]