20383664

素因数分解:

$2^4\times 7^1\times {\mathrm{181997}}^1$

素因数の和:182012

約数の個数: 20

約数和(自身を含む): 45135504

約数和(自身を除く): 24751840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181997, 363994, 727988, 1273979, 1455976, 2547958, 2911952, 5095916, 10191832, 20383664]

約数ペア:

[(1, 20383664), (2, 10191832), (4, 5095916), (7, 2911952), (8, 2547958), (14, 1455976), (16, 1273979), (28, 727988), (56, 363994), (112, 181997)]