20688108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6007}}^1$

素因数の和:6062

約数の個数: 48

約数和(自身を含む): 56523264

約数和(自身を除く): 35835156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 6007, 12014, 18021, 24028, 36042, 42049, 72084, 84098, 126147, 168196, 246287, 252294, 492574, 504588, 738861, 985148, 1477722, 1724009, 2955444, 3448018, 5172027, 6896036, 10344054, 20688108]

約数ペア:

[(1, 20688108), (2, 10344054), (3, 6896036), (4, 5172027), (6, 3448018), (7, 2955444), (12, 1724009), (14, 1477722), (21, 985148), (28, 738861), (41, 504588), (42, 492574), (82, 252294), (84, 246287), (123, 168196), (164, 126147), (246, 84098), (287, 72084), (492, 42049), (574, 36042), (861, 24028), (1148, 18021), (1722, 12014), (3444, 6007)]