20173648525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{42470839}}^1$

素因数の和:42470868

約数の個数: 12

約数和(自身を含む): 26331920800

約数和(自身を除く): 6158272275

約数列:

[1, 5, 19, 25, 95, 475, 42470839, 212354195, 806945941, 1061770975, 4034729705, 20173648525]

約数ペア:

[(1, 20173648525), (5, 4034729705), (19, 1061770975), (25, 806945941), (95, 212354195), (475, 42470839)]