20999966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{35117}}^1$

素因数の和:35155

約数の個数: 16

約数和(自身を含む): 35398944

約数和(自身を除く): 14398978

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 35117, 70234, 456521, 807691, 913042, 1615382, 10499983, 20999966]

約数ペア:

[(1, 20999966), (2, 10499983), (13, 1615382), (23, 913042), (26, 807691), (46, 456521), (299, 70234), (598, 35117)]