20587574

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2287}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 35363328

約数和(自身を除く): 14775754

約数列:

[1, 2, 7, 14, 643, 1286, 2287, 4501, 4574, 9002, 16009, 32018, 1470541, 2941082, 10293787, 20587574]

約数ペア:

[(1, 20587574), (2, 10293787), (7, 2941082), (14, 1470541), (643, 32018), (1286, 16009), (2287, 9002), (4501, 4574)]