20588001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51599}}^1$

素因数の和:51628

約数の個数: 16

約数和(自身を含む): 33024000

約数和(自身を除く): 12435999

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51599, 154797, 361193, 980381, 1083579, 2941143, 6862667, 20588001]

約数ペア:

[(1, 20588001), (3, 6862667), (7, 2941143), (19, 1083579), (21, 980381), (57, 361193), (133, 154797), (399, 51599)]