20921593

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1627}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 26256384

約数和(自身を除く): 5334791

約数列:

[1, 7, 11, 77, 167, 1169, 1627, 1837, 11389, 12859, 17897, 125279, 271709, 1901963, 2988799, 20921593]

約数ペア:

[(1, 20921593), (7, 2988799), (11, 1901963), (77, 271709), (167, 125279), (1169, 17897), (1627, 12859), (1837, 11389)]