20031385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6173}}^1$

素因数の和:6248

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 6640295

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6173, 30865, 67903, 339515, 364207, 1821035, 4006277, 20031385]

約数ペア:

[(1, 20031385), (5, 4006277), (11, 1821035), (55, 364207), (59, 339515), (295, 67903), (649, 30865), (3245, 6173)]