20506806

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 46807488

約数和(自身を除く): 26300682

約数列:

[1, 2, 3, 6, 9, 18, 37, 41, 74, 82, 111, 123, 222, 246, 333, 369, 666, 738, 751, 1502, 1517, 2253, 3034, 4506, 4551, 6759, 9102, 13518, 13653, 27306, 27787, 30791, 55574, 61582, 83361, 92373, 166722, 184746, 250083, 277119, 500166, 554238, 1139267, 2278534, 3417801, 6835602, 10253403, 20506806]

約数ペア:

[(1, 20506806), (2, 10253403), (3, 6835602), (6, 3417801), (9, 2278534), (18, 1139267), (37, 554238), (41, 500166), (74, 277119), (82, 250083), (111, 184746), (123, 166722), (222, 92373), (246, 83361), (333, 61582), (369, 55574), (666, 30791), (738, 27787), (751, 27306), (1502, 13653), (1517, 13518), (2253, 9102), (3034, 6759), (4506, 4551)]