20048728

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2819}}^1$

素因数の和:2959

約数の個数: 32

約数和(自身を含む): 43315200

約数和(自身を除く): 23266472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2819, 3556, 5638, 7112, 11276, 19733, 22552, 39466, 78932, 157864, 358013, 716026, 1432052, 2506091, 2864104, 5012182, 10024364, 20048728]

約数ペア:

[(1, 20048728), (2, 10024364), (4, 5012182), (7, 2864104), (8, 2506091), (14, 1432052), (28, 716026), (56, 358013), (127, 157864), (254, 78932), (508, 39466), (889, 22552), (1016, 19733), (1778, 11276), (2819, 7112), (3556, 5638)]