20025904

素因数分解:

$2^4\times {\mathrm{971}}^1\times {\mathrm{1289}}^1$

素因数の和:2268

約数の個数: 20

約数和(自身を含む): 38870280

約数和(自身を除く): 18844376

約数列:

[1, 2, 4, 8, 16, 971, 1289, 1942, 2578, 3884, 5156, 7768, 10312, 15536, 20624, 1251619, 2503238, 5006476, 10012952, 20025904]

約数ペア:

[(1, 20025904), (2, 10012952), (4, 5006476), (8, 2503238), (16, 1251619), (971, 20624), (1289, 15536), (1942, 10312), (2578, 7768), (3884, 5156)]