20187356

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3623}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 40588800

約数和(自身を除く): 20401444

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3623, 5572, 7246, 14492, 25361, 50722, 101444, 720977, 1441954, 2883908, 5046839, 10093678, 20187356]

約数ペア:

[(1, 20187356), (2, 10093678), (4, 5046839), (7, 2883908), (14, 1441954), (28, 720977), (199, 101444), (398, 50722), (796, 25361), (1393, 14492), (2786, 7246), (3623, 5572)]