20809292

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43717}}^1$

素因数の和:43745

約数の個数: 24

約数和(自身を含む): 44067744

約数和(自身を除く): 23258452

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43717, 87434, 174868, 306019, 612038, 743189, 1224076, 1486378, 2972756, 5202323, 10404646, 20809292]

約数ペア:

[(1, 20809292), (2, 10404646), (4, 5202323), (7, 2972756), (14, 1486378), (17, 1224076), (28, 743189), (34, 612038), (68, 306019), (119, 174868), (238, 87434), (476, 43717)]