20998902

素因数分解:

$2^1\times 3^1\times {\mathrm{463}}^1\times {\mathrm{7559}}^1$

素因数の和:8027

約数の個数: 16

約数和(自身を含む): 42094080

約数和(自身を除く): 21095178

約数列:

[1, 2, 3, 6, 463, 926, 1389, 2778, 7559, 15118, 22677, 45354, 3499817, 6999634, 10499451, 20998902]

約数ペア:

[(1, 20998902), (2, 10499451), (3, 6999634), (6, 3499817), (463, 45354), (926, 22677), (1389, 15118), (2778, 7559)]