20063972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 36206016

約数和(自身を除く): 16142044

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 743, 1486, 2972, 6751, 13502, 27004, 31949, 63898, 116651, 127796, 233302, 466604, 5015993, 10031986, 20063972]

約数ペア:

[(1, 20063972), (2, 10031986), (4, 5015993), (43, 466604), (86, 233302), (157, 127796), (172, 116651), (314, 63898), (628, 31949), (743, 27004), (1486, 13502), (2972, 6751)]