20454812

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3671}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 20671588

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3671, 5572, 7342, 14684, 25697, 51394, 102788, 730529, 1461058, 2922116, 5113703, 10227406, 20454812]

約数ペア:

[(1, 20454812), (2, 10227406), (4, 5113703), (7, 2922116), (14, 1461058), (28, 730529), (199, 102788), (398, 51394), (796, 25697), (1393, 14684), (2786, 7342), (3671, 5572)]