20178391075

素因数分解:

$5^2\times {\mathrm{6571}}^1\times {\mathrm{122833}}^1$

素因数の和:129414

約数の個数: 12

約数和(自身を含む): 25025216488

約数和(自身を除く): 4846825413

約数列:

[1, 5, 25, 6571, 32855, 122833, 164275, 614165, 3070825, 807135643, 4035678215, 20178391075]

約数ペア:

[(1, 20178391075), (5, 4035678215), (25, 807135643), (6571, 3070825), (32855, 614165), (122833, 164275)]