20802004612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{273710587}}^1$

素因数の和:273710610

約数の個数: 12

約数和(自身を含む): 38319482320

約数和(自身を除く): 17517477708

約数列:

[1, 2, 4, 19, 38, 76, 273710587, 547421174, 1094842348, 5200501153, 10401002306, 20802004612]

約数ペア:

[(1, 20802004612), (2, 10401002306), (4, 5200501153), (19, 1094842348), (38, 547421174), (76, 273710587)]