20465860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44491}}^1$

素因数の和:44523

約数の個数: 24

約数和(自身を含む): 44847936

約数和(自身を除く): 24382076

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 44491, 88982, 177964, 222455, 444910, 889820, 1023293, 2046586, 4093172, 5116465, 10232930, 20465860]

約数ペア:

[(1, 20465860), (2, 10232930), (4, 5116465), (5, 4093172), (10, 2046586), (20, 1023293), (23, 889820), (46, 444910), (92, 222455), (115, 177964), (230, 88982), (460, 44491)]