20479976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21157}}^1$

素因数の和:21185

約数の個数: 24

約数和(自身を含む): 42210210

約数和(自身を除く): 21730234

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21157, 42314, 84628, 169256, 232727, 465454, 930908, 1861816, 2559997, 5119994, 10239988, 20479976]

約数ペア:

[(1, 20479976), (2, 10239988), (4, 5119994), (8, 2559997), (11, 1861816), (22, 930908), (44, 465454), (88, 232727), (121, 169256), (242, 84628), (484, 42314), (968, 21157)]