12720784

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{3023}}^1$

素因数の和:3294

約数の個数: 20

約数和(自身を含む): 24748416

約数和(自身を除く): 12027632

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 3023, 4208, 6046, 12092, 24184, 48368, 795049, 1590098, 3180196, 6360392, 12720784]

約数ペア:

[(1, 12720784), (2, 6360392), (4, 3180196), (8, 1590098), (16, 795049), (263, 48368), (526, 24184), (1052, 12092), (2104, 6046), (3023, 4208)]