20435590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{659}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 21762170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 443, 659, 886, 1318, 2215, 3101, 3295, 4430, 4613, 6202, 6590, 9226, 15505, 23065, 31010, 46130, 291937, 583874, 1459685, 2043559, 2919370, 4087118, 10217795, 20435590]

約数ペア:

[(1, 20435590), (2, 10217795), (5, 4087118), (7, 2919370), (10, 2043559), (14, 1459685), (35, 583874), (70, 291937), (443, 46130), (659, 31010), (886, 23065), (1318, 15505), (2215, 9226), (3101, 6590), (3295, 6202), (4430, 4613)]