20743428

素因数分解:

$2^2\times 3^1\times {\mathrm{379}}^1\times {\mathrm{4561}}^1$

素因数の和:4947

約数の個数: 24

約数和(自身を含む): 48539680

約数和(自身を除く): 27796252

約数列:

[1, 2, 3, 4, 6, 12, 379, 758, 1137, 1516, 2274, 4548, 4561, 9122, 13683, 18244, 27366, 54732, 1728619, 3457238, 5185857, 6914476, 10371714, 20743428]

約数ペア:

[(1, 20743428), (2, 10371714), (3, 6914476), (4, 5185857), (6, 3457238), (12, 1728619), (379, 54732), (758, 27366), (1137, 18244), (1516, 13683), (2274, 9122), (4548, 4561)]