20884278

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47681}}^1$

素因数の和:47759

約数の個数: 16

約数和(自身を含む): 42341616

約数和(自身を除く): 21457338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47681, 95362, 143043, 286086, 3480713, 6961426, 10442139, 20884278]

約数ペア:

[(1, 20884278), (2, 10442139), (3, 6961426), (6, 3480713), (73, 286086), (146, 143043), (219, 95362), (438, 47681)]