20114620

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2459}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 42361200

約数和(自身を除く): 22246580

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 2459, 4090, 4918, 8180, 9836, 12295, 24590, 49180, 1005731, 2011462, 4022924, 5028655, 10057310, 20114620]

約数ペア:

[(1, 20114620), (2, 10057310), (4, 5028655), (5, 4022924), (10, 2011462), (20, 1005731), (409, 49180), (818, 24590), (1636, 12295), (2045, 9836), (2459, 8180), (4090, 4918)]