20842168

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2711}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 40395240

約数和(自身を除く): 19553072

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2711, 3844, 5422, 7688, 10844, 21688, 84041, 168082, 336164, 672328, 2605271, 5210542, 10421084, 20842168]

約数ペア:

[(1, 20842168), (2, 10421084), (4, 5210542), (8, 2605271), (31, 672328), (62, 336164), (124, 168082), (248, 84041), (961, 21688), (1922, 10844), (2711, 7688), (3844, 5422)]