20270216

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 18713464

約数列:

[1, 2, 4, 8, 71, 127, 142, 254, 281, 284, 508, 562, 568, 1016, 1124, 2248, 9017, 18034, 19951, 35687, 36068, 39902, 71374, 72136, 79804, 142748, 159608, 285496, 2533777, 5067554, 10135108, 20270216]

約数ペア:

[(1, 20270216), (2, 10135108), (4, 5067554), (8, 2533777), (71, 285496), (127, 159608), (142, 142748), (254, 79804), (281, 72136), (284, 71374), (508, 39902), (562, 36068), (568, 35687), (1016, 19951), (1124, 18034), (2248, 9017)]