20363816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 42573300

約数和(自身を除く): 22209484

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 121, 193, 218, 242, 386, 436, 484, 772, 872, 968, 1199, 1544, 2123, 2398, 4246, 4796, 8492, 9592, 13189, 16984, 21037, 23353, 26378, 42074, 46706, 52756, 84148, 93412, 105512, 168296, 186824, 231407, 462814, 925628, 1851256, 2545477, 5090954, 10181908, 20363816]

約数ペア:

[(1, 20363816), (2, 10181908), (4, 5090954), (8, 2545477), (11, 1851256), (22, 925628), (44, 462814), (88, 231407), (109, 186824), (121, 168296), (193, 105512), (218, 93412), (242, 84148), (386, 52756), (436, 46706), (484, 42074), (772, 26378), (872, 23353), (968, 21037), (1199, 16984), (1544, 13189), (2123, 9592), (2398, 8492), (4246, 4796)]