20751125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4105

約数の個数: 16

約数和(自身を含む): 26535600

約数和(自身を除く): 5784475

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4049, 5125, 20245, 101225, 166009, 506125, 830045, 4150225, 20751125]

約数ペア:

[(1, 20751125), (5, 4150225), (25, 830045), (41, 506125), (125, 166009), (205, 101225), (1025, 20245), (4049, 5125)]