20563994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1637}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 33729696

約数和(自身を除く): 13165702

約数列:

[1, 2, 11, 22, 571, 1142, 1637, 3274, 6281, 12562, 18007, 36014, 934727, 1869454, 10281997, 20563994]

約数ペア:

[(1, 20563994), (2, 10281997), (11, 1869454), (22, 934727), (571, 36014), (1142, 18007), (1637, 12562), (3274, 6281)]