20294056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 41787900

約数和(自身を除く): 21493844

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 109, 136, 148, 218, 296, 436, 629, 872, 1258, 1369, 1853, 2516, 2738, 3706, 4033, 5032, 5476, 7412, 8066, 10952, 14824, 16132, 23273, 32264, 46546, 68561, 93092, 137122, 149221, 186184, 274244, 298442, 548488, 596884, 1193768, 2536757, 5073514, 10147028, 20294056]

約数ペア:

[(1, 20294056), (2, 10147028), (4, 5073514), (8, 2536757), (17, 1193768), (34, 596884), (37, 548488), (68, 298442), (74, 274244), (109, 186184), (136, 149221), (148, 137122), (218, 93092), (296, 68561), (436, 46546), (629, 32264), (872, 23273), (1258, 16132), (1369, 14824), (1853, 10952), (2516, 8066), (2738, 7412), (3706, 5476), (4033, 5032)]