20995674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499897}}^1$

素因数の和:499909

約数の個数: 16

約数和(自身を含む): 47990208

約数和(自身を除く): 26994534

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499897, 999794, 1499691, 2999382, 3499279, 6998558, 10497837, 20995674]

約数ペア:

[(1, 20995674), (2, 10497837), (3, 6998558), (6, 3499279), (7, 2999382), (14, 1499691), (21, 999794), (42, 499897)]