20275038

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4349}}^1$

素因数の和:4401

約数の個数: 48

約数和(自身を含む): 51573600

約数和(自身を除く): 31298562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4349, 4662, 8698, 13047, 26094, 30443, 39141, 60886, 78282, 91329, 160913, 182658, 273987, 321826, 482739, 547974, 965478, 1126391, 1448217, 2252782, 2896434, 3379173, 6758346, 10137519, 20275038]

約数ペア:

[(1, 20275038), (2, 10137519), (3, 6758346), (6, 3379173), (7, 2896434), (9, 2252782), (14, 1448217), (18, 1126391), (21, 965478), (37, 547974), (42, 482739), (63, 321826), (74, 273987), (111, 182658), (126, 160913), (222, 91329), (259, 78282), (333, 60886), (518, 39141), (666, 30443), (777, 26094), (1554, 13047), (2331, 8698), (4349, 4662)]