20992420

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2267}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 44198784

約数和(自身を除く): 23206364

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2267, 2315, 4534, 4630, 9068, 9260, 11335, 22670, 45340, 1049621, 2099242, 4198484, 5248105, 10496210, 20992420]

約数ペア:

[(1, 20992420), (2, 10496210), (4, 5248105), (5, 4198484), (10, 2099242), (20, 1049621), (463, 45340), (926, 22670), (1852, 11335), (2267, 9260), (2315, 9068), (4534, 4630)]