2021025640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2196767}}^1$

素因数の和:2196801

約数の個数: 32

約数和(自身を含む): 4745018880

約数和(自身を除く): 2723993240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2196767, 4393534, 8787068, 10983835, 17574136, 21967670, 43935340, 50525641, 87870680, 101051282, 202102564, 252628205, 404205128, 505256410, 1010512820, 2021025640]

約数ペア:

[(1, 2021025640), (2, 1010512820), (4, 505256410), (5, 404205128), (8, 252628205), (10, 202102564), (20, 101051282), (23, 87870680), (40, 50525641), (46, 43935340), (92, 21967670), (115, 17574136), (184, 10983835), (230, 8787068), (460, 4393534), (920, 2196767)]