20673544

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5077}}^1$

素因数の和:5592

約数の個数: 16

約数和(自身を含む): 38846700

約数和(自身を除く): 18173156

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5077, 10154, 20308, 40616, 2584193, 5168386, 10336772, 20673544]

約数ペア:

[(1, 20673544), (2, 10336772), (4, 5168386), (8, 2584193), (509, 40616), (1018, 20308), (2036, 10154), (4072, 5077)]