20668112

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4597}}^1$

素因数の和:4886

約数の個数: 20

約数和(自身を含む): 40195716

約数和(自身を除く): 19527604

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 4597, 9194, 18388, 36776, 73552, 1291757, 2583514, 5167028, 10334056, 20668112]

約数ペア:

[(1, 20668112), (2, 10334056), (4, 5167028), (8, 2583514), (16, 1291757), (281, 73552), (562, 36776), (1124, 18388), (2248, 9194), (4496, 4597)]