20447972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 37320192

約数和(自身を除く): 16872220

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 1601, 3193, 3202, 6386, 6404, 12772, 49631, 99262, 164903, 198524, 329806, 659612, 5111993, 10223986, 20447972]

約数ペア:

[(1, 20447972), (2, 10223986), (4, 5111993), (31, 659612), (62, 329806), (103, 198524), (124, 164903), (206, 99262), (412, 49631), (1601, 12772), (3193, 6404), (3202, 6386)]