20138090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6121}}^1$

素因数の和:6182

約数の個数: 32

約数和(自身を含む): 42315264

約数和(自身を除く): 22177174

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6121, 12242, 30605, 42847, 61210, 85694, 214235, 287687, 428470, 575374, 1438435, 2013809, 2876870, 4027618, 10069045, 20138090]

約数ペア:

[(1, 20138090), (2, 10069045), (5, 4027618), (7, 2876870), (10, 2013809), (14, 1438435), (35, 575374), (47, 428470), (70, 287687), (94, 214235), (235, 85694), (329, 61210), (470, 42847), (658, 30605), (1645, 12242), (3290, 6121)]