20004272

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33791}}^1$

素因数の和:33836

約数の個数: 20

約数和(自身を含む): 39806976

約数和(自身を除く): 19802704

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33791, 67582, 135164, 270328, 540656, 1250267, 2500534, 5001068, 10002136, 20004272]

約数ペア:

[(1, 20004272), (2, 10002136), (4, 5001068), (8, 2500534), (16, 1250267), (37, 540656), (74, 270328), (148, 135164), (296, 67582), (592, 33791)]