20929628

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 16567972

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 619, 1238, 2476, 8453, 16906, 33812, 48901, 66233, 97802, 132466, 195604, 264932, 5232407, 10464814, 20929628]

約数ペア:

[(1, 20929628), (2, 10464814), (4, 5232407), (79, 264932), (107, 195604), (158, 132466), (214, 97802), (316, 66233), (428, 48901), (619, 33812), (1238, 16906), (2476, 8453)]