20947192

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8699}}^1$

素因数の和:8755

約数の個数: 32

約数和(自身を含む): 45936000

約数和(自身を除く): 24988808

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8699, 17398, 34796, 60893, 69592, 121786, 243572, 374057, 487144, 748114, 1496228, 2618399, 2992456, 5236798, 10473596, 20947192]

約数ペア:

[(1, 20947192), (2, 10473596), (4, 5236798), (7, 2992456), (8, 2618399), (14, 1496228), (28, 748114), (43, 487144), (56, 374057), (86, 243572), (172, 121786), (301, 69592), (344, 60893), (602, 34796), (1204, 17398), (2408, 8699)]