20869912

素因数分解:

$2^3\times 7^1\times {\mathrm{372677}}^1$

素因数の和:372690

約数の個数: 16

約数和(自身を含む): 44721360

約数和(自身を除く): 23851448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372677, 745354, 1490708, 2608739, 2981416, 5217478, 10434956, 20869912]

約数ペア:

[(1, 20869912), (2, 10434956), (4, 5217478), (7, 2981416), (8, 2608739), (14, 1490708), (28, 745354), (56, 372677)]