20951896

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16267}}^1$

素因数の和:16303

約数の個数: 32

約数和(自身を含む): 46851840

約数和(自身を除く): 25899944

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16267, 32534, 65068, 113869, 130136, 227738, 374141, 455476, 748282, 910952, 1496564, 2618987, 2993128, 5237974, 10475948, 20951896]

約数ペア:

[(1, 20951896), (2, 10475948), (4, 5237974), (7, 2993128), (8, 2618987), (14, 1496564), (23, 910952), (28, 748282), (46, 455476), (56, 374141), (92, 227738), (161, 130136), (184, 113869), (322, 65068), (644, 32534), (1288, 16267)]