20007085

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9371}}^1$

素因数の和:9444

約数の個数: 16

約数和(自身を含む): 27891072

約数和(自身を除く): 7883987

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9371, 46855, 65597, 327985, 571631, 2858155, 4001417, 20007085]

約数ペア:

[(1, 20007085), (5, 4001417), (7, 2858155), (35, 571631), (61, 327985), (305, 65597), (427, 46855), (2135, 9371)]