20387706

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 42864768

約数和(自身を除く): 22477062

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 941, 942, 1882, 2823, 3611, 5646, 7222, 10833, 21643, 21666, 43286, 64929, 129858, 147737, 295474, 443211, 886422, 3397951, 6795902, 10193853, 20387706]

約数ペア:

[(1, 20387706), (2, 10193853), (3, 6795902), (6, 3397951), (23, 886422), (46, 443211), (69, 295474), (138, 147737), (157, 129858), (314, 64929), (471, 43286), (941, 21666), (942, 21643), (1882, 10833), (2823, 7222), (3611, 5646)]