20159888

素因数分解:

$2^4\times 7^1\times {\mathrm{179999}}^1$

素因数の和:180014

約数の個数: 20

約数和(自身を含む): 44640000

約数和(自身を除く): 24480112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179999, 359998, 719996, 1259993, 1439992, 2519986, 2879984, 5039972, 10079944, 20159888]

約数ペア:

[(1, 20159888), (2, 10079944), (4, 5039972), (7, 2879984), (8, 2519986), (14, 1439992), (16, 1259993), (28, 719996), (56, 359998), (112, 179999)]