20964994

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{563}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 32310432

約数和(自身を除く): 11345438

約数列:

[1, 2, 43, 86, 433, 563, 866, 1126, 18619, 24209, 37238, 48418, 243779, 487558, 10482497, 20964994]

約数ペア:

[(1, 20964994), (2, 10482497), (43, 487558), (86, 243779), (433, 48418), (563, 37238), (866, 24209), (1126, 18619)]