20522908

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1741}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 41166944

約数和(自身を除く): 20644036

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 1741, 2947, 3482, 5894, 6964, 11788, 12187, 24374, 48748, 732961, 1465922, 2931844, 5130727, 10261454, 20522908]

約数ペア:

[(1, 20522908), (2, 10261454), (4, 5130727), (7, 2931844), (14, 1465922), (28, 732961), (421, 48748), (842, 24374), (1684, 12187), (1741, 11788), (2947, 6964), (3482, 5894)]