20161748890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9041143}}^1$

素因数の和:9041373

約数の個数: 16

約数和(自身を含む): 36453892608

約数和(自身を除く): 16292143718

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9041143, 18082286, 45205715, 90411430, 2016174889, 4032349778, 10080874445, 20161748890]

約数ペア:

[(1, 20161748890), (2, 10080874445), (5, 4032349778), (10, 2016174889), (223, 90411430), (446, 45205715), (1115, 18082286), (2230, 9041143)]