20940828

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40583}}^1$

素因数の和:40633

約数の個数: 24

約数和(自身を含む): 49999488

約数和(自身を除く): 29058660

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40583, 81166, 121749, 162332, 243498, 486996, 1745069, 3490138, 5235207, 6980276, 10470414, 20940828]

約数ペア:

[(1, 20940828), (2, 10470414), (3, 6980276), (4, 5235207), (6, 3490138), (12, 1745069), (43, 486996), (86, 243498), (129, 162332), (172, 121749), (258, 81166), (516, 40583)]