22031920

素因数分解:

$2^4\times 5^1\times {\mathrm{275399}}^1$

素因数の和:275412

約数の個数: 20

約数和(自身を含む): 51224400

約数和(自身を除く): 29192480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275399, 550798, 1101596, 1376995, 2203192, 2753990, 4406384, 5507980, 11015960, 22031920]

約数ペア:

[(1, 22031920), (2, 11015960), (4, 5507980), (5, 4406384), (8, 2753990), (10, 2203192), (16, 1376995), (20, 1101596), (40, 550798), (80, 275399)]