20541475

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 6175565

約数列:

[1, 5, 25, 37, 53, 185, 265, 419, 925, 1325, 1961, 2095, 9805, 10475, 15503, 22207, 49025, 77515, 111035, 387575, 555175, 821659, 4108295, 20541475]

約数ペア:

[(1, 20541475), (5, 4108295), (25, 821659), (37, 555175), (53, 387575), (185, 111035), (265, 77515), (419, 49025), (925, 22207), (1325, 15503), (1961, 10475), (2095, 9805)]