20009540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43499}}^1$

素因数の和:43531

約数の個数: 24

約数和(自身を含む): 43848000

約数和(自身を除く): 23838460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43499, 86998, 173996, 217495, 434990, 869980, 1000477, 2000954, 4001908, 5002385, 10004770, 20009540]

約数ペア:

[(1, 20009540), (2, 10004770), (4, 5002385), (5, 4001908), (10, 2000954), (20, 1000477), (23, 869980), (46, 434990), (92, 217495), (115, 173996), (230, 86998), (460, 43499)]