20969240

素因数分解:

$2^3\times 5^1\times {\mathrm{524231}}^1$

素因数の和:524242

約数の個数: 16

約数和(自身を含む): 47180880

約数和(自身を除く): 26211640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 524231, 1048462, 2096924, 2621155, 4193848, 5242310, 10484620, 20969240]

約数ペア:

[(1, 20969240), (2, 10484620), (4, 5242310), (5, 4193848), (8, 2621155), (10, 2096924), (20, 1048462), (40, 524231)]