20215952

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30817}}^1$

素因数の和:30866

約数の個数: 20

約数和(自身を含む): 40125036

約数和(自身を除く): 19909084

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30817, 61634, 123268, 246536, 493072, 1263497, 2526994, 5053988, 10107976, 20215952]

約数ペア:

[(1, 20215952), (2, 10107976), (4, 5053988), (8, 2526994), (16, 1263497), (41, 493072), (82, 246536), (164, 123268), (328, 61634), (656, 30817)]