31468420

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2447}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 66213504

約数和(自身を除く): 34745084

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2447, 2572, 3215, 4894, 6430, 9788, 12235, 12860, 24470, 48940, 1573421, 3146842, 6293684, 7867105, 15734210, 31468420]

約数ペア:

[(1, 31468420), (2, 15734210), (4, 7867105), (5, 6293684), (10, 3146842), (20, 1573421), (643, 48940), (1286, 24470), (2447, 12860), (2572, 12235), (3215, 9788), (4894, 6430)]