20380624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 44095392

約数和(自身を除く): 23714768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2693, 3784, 5386, 7568, 10772, 21544, 29623, 43088, 59246, 115799, 118492, 231598, 236984, 463196, 473968, 926392, 1273789, 1852784, 2547578, 5095156, 10190312, 20380624]

約数ペア:

[(1, 20380624), (2, 10190312), (4, 5095156), (8, 2547578), (11, 1852784), (16, 1273789), (22, 926392), (43, 473968), (44, 463196), (86, 236984), (88, 231598), (172, 118492), (176, 115799), (344, 59246), (473, 43088), (688, 29623), (946, 21544), (1892, 10772), (2693, 7568), (3784, 5386)]