20985448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238471}}^1$

素因数の和:238488

約数の個数: 16

約数和(自身を含む): 42924960

約数和(自身を除く): 21939512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238471, 476942, 953884, 1907768, 2623181, 5246362, 10492724, 20985448]

約数ペア:

[(1, 20985448), (2, 10492724), (4, 5246362), (8, 2623181), (11, 1907768), (22, 953884), (44, 476942), (88, 238471)]