20502125

素因数分解:

$5^3\times 7^1\times {\mathrm{23431}}^1$

素因数の和:23453

約数の個数: 16

約数和(自身を含む): 29243136

約数和(自身を除く): 8741011

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 23431, 117155, 164017, 585775, 820085, 2928875, 4100425, 20502125]

約数ペア:

[(1, 20502125), (5, 4100425), (7, 2928875), (25, 820085), (35, 585775), (125, 164017), (175, 117155), (875, 23431)]