20168344

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2591}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 23377256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2591, 3892, 5182, 7784, 10364, 18137, 20728, 36274, 72548, 145096, 360149, 720298, 1440596, 2521043, 2881192, 5042086, 10084172, 20168344]

約数ペア:

[(1, 20168344), (2, 10084172), (4, 5042086), (7, 2881192), (8, 2521043), (14, 1440596), (28, 720298), (56, 360149), (139, 145096), (278, 72548), (556, 36274), (973, 20728), (1112, 18137), (1946, 10364), (2591, 7784), (3892, 5182)]