20703875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9743}}^1$

素因数の和:9775

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 6657277

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9743, 48715, 165631, 243575, 828155, 1217875, 4140775, 20703875]

約数ペア:

[(1, 20703875), (5, 4140775), (17, 1217875), (25, 828155), (85, 243575), (125, 165631), (425, 48715), (2125, 9743)]