20004208

素因数分解:

$2^4\times 7^1\times {\mathrm{178609}}^1$

素因数の和:178624

約数の個数: 20

約数和(自身を含む): 44295280

約数和(自身を除く): 24291072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178609, 357218, 714436, 1250263, 1428872, 2500526, 2857744, 5001052, 10002104, 20004208]

約数ペア:

[(1, 20004208), (2, 10002104), (4, 5001052), (7, 2857744), (8, 2500526), (14, 1428872), (16, 1250263), (28, 714436), (56, 357218), (112, 178609)]