20990144

素因数分解:

$2^6\times 7^1\times {\mathrm{46853}}^1$

素因数の和:46872

約数の個数: 28

約数和(自身を含む): 47603664

約数和(自身を除く): 26613520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 46853, 93706, 187412, 327971, 374824, 655942, 749648, 1311884, 1499296, 2623768, 2998592, 5247536, 10495072, 20990144]

約数ペア:

[(1, 20990144), (2, 10495072), (4, 5247536), (7, 2998592), (8, 2623768), (14, 1499296), (16, 1311884), (28, 749648), (32, 655942), (56, 374824), (64, 327971), (112, 187412), (224, 93706), (448, 46853)]