20985762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499661}}^1$

素因数の和:499673

約数の個数: 16

約数和(自身を含む): 47967552

約数和(自身を除く): 26981790

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499661, 999322, 1498983, 2997966, 3497627, 6995254, 10492881, 20985762]

約数ペア:

[(1, 20985762), (2, 10492881), (3, 6995254), (6, 3497627), (7, 2997966), (14, 1498983), (21, 999322), (42, 499661)]