20718272

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2549}}^1$

素因数の和:2688

約数の個数: 28

約数和(自身を含む): 41452800

約数和(自身を除く): 20734528

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2549, 4064, 5098, 8128, 10196, 20392, 40784, 81568, 163136, 323723, 647446, 1294892, 2589784, 5179568, 10359136, 20718272]

約数ペア:

[(1, 20718272), (2, 10359136), (4, 5179568), (8, 2589784), (16, 1294892), (32, 647446), (64, 323723), (127, 163136), (254, 81568), (508, 40784), (1016, 20392), (2032, 10196), (2549, 8128), (4064, 5098)]