20340988

素因数分解:

$2^2\times {\mathrm{1471}}^1\times {\mathrm{3457}}^1$

素因数の和:4932

約数の個数: 12

約数和(自身を含む): 35631232

約数和(自身を除く): 15290244

約数列:

[1, 2, 4, 1471, 2942, 3457, 5884, 6914, 13828, 5085247, 10170494, 20340988]

約数ペア:

[(1, 20340988), (2, 10170494), (4, 5085247), (1471, 13828), (2942, 6914), (3457, 5884)]