20425475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6179

約数の個数: 24

約数和(自身を含む): 30474240

約数和(自身を除く): 10048765

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 6143, 30715, 43001, 116717, 153575, 215005, 583585, 817019, 1075025, 2917925, 4085095, 20425475]

約数ペア:

[(1, 20425475), (5, 4085095), (7, 2917925), (19, 1075025), (25, 817019), (35, 583585), (95, 215005), (133, 153575), (175, 116717), (475, 43001), (665, 30715), (3325, 6143)]