20545552

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10111}}^1$

素因数の和:10246

約数の個数: 20

約数和(自身を含む): 40124416

約数和(自身を除く): 19578864

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10111, 20222, 40444, 80888, 161776, 1284097, 2568194, 5136388, 10272776, 20545552]

約数ペア:

[(1, 20545552), (2, 10272776), (4, 5136388), (8, 2568194), (16, 1284097), (127, 161776), (254, 80888), (508, 40444), (1016, 20222), (2032, 10111)]