20065026

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 24586494

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 67, 71, 74, 111, 114, 134, 142, 201, 213, 222, 402, 426, 703, 1273, 1349, 1406, 2109, 2479, 2546, 2627, 2698, 3819, 4047, 4218, 4757, 4958, 5254, 7437, 7638, 7881, 8094, 9514, 14271, 14874, 15762, 28542, 47101, 49913, 90383, 94202, 99826, 141303, 149739, 176009, 180766, 271149, 282606, 299478, 352018, 528027, 542298, 1056054, 3344171, 6688342, 10032513, 20065026]

約数ペア:

[(1, 20065026), (2, 10032513), (3, 6688342), (6, 3344171), (19, 1056054), (37, 542298), (38, 528027), (57, 352018), (67, 299478), (71, 282606), (74, 271149), (111, 180766), (114, 176009), (134, 149739), (142, 141303), (201, 99826), (213, 94202), (222, 90383), (402, 49913), (426, 47101), (703, 28542), (1273, 15762), (1349, 14874), (1406, 14271), (2109, 9514), (2479, 8094), (2546, 7881), (2627, 7638), (2698, 7437), (3819, 5254), (4047, 4958), (4218, 4757)]