20899610

素因数分解:

$2^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{2221}}^1$

素因数の和:3169

約数の個数: 16

約数和(自身を含む): 37676232

約数和(自身を除く): 16776622

約数列:

[1, 2, 5, 10, 941, 1882, 2221, 4442, 4705, 9410, 11105, 22210, 2089961, 4179922, 10449805, 20899610]

約数ペア:

[(1, 20899610), (2, 10449805), (5, 4179922), (10, 2089961), (941, 22210), (1882, 11105), (2221, 9410), (4442, 4705)]