20052140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7213}}^1$

素因数の和:7361

約数の個数: 24

約数和(自身を含む): 42418320

約数和(自身を除く): 22366180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7213, 14426, 28852, 36065, 72130, 144260, 1002607, 2005214, 4010428, 5013035, 10026070, 20052140]

約数ペア:

[(1, 20052140), (2, 10026070), (4, 5013035), (5, 4010428), (10, 2005214), (20, 1002607), (139, 144260), (278, 72130), (556, 36065), (695, 28852), (1390, 14426), (2780, 7213)]