20503192

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2311}}^1$

素因数の和:3426

約数の個数: 16

約数和(自身を含む): 38494800

約数和(自身を除く): 17991608

約数列:

[1, 2, 4, 8, 1109, 2218, 2311, 4436, 4622, 8872, 9244, 18488, 2562899, 5125798, 10251596, 20503192]

約数ペア:

[(1, 20503192), (2, 10251596), (4, 5125798), (8, 2562899), (1109, 18488), (2218, 9244), (2311, 8872), (4436, 4622)]