20481730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89051}}^1$

素因数の和:89081

約数の個数: 16

約数和(自身を含む): 38470464

約数和(自身を除く): 17988734

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89051, 178102, 445255, 890510, 2048173, 4096346, 10240865, 20481730]

約数ペア:

[(1, 20481730), (2, 10240865), (5, 4096346), (10, 2048173), (23, 890510), (46, 445255), (115, 178102), (230, 89051)]