20931670

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9221}}^1$

素因数の和:9455

約数の個数: 16

約数和(自身を含む): 37847088

約数和(自身を除く): 16915418

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9221, 18442, 46105, 92210, 2093167, 4186334, 10465835, 20931670]

約数ペア:

[(1, 20931670), (2, 10465835), (5, 4186334), (10, 2093167), (227, 92210), (454, 46105), (1135, 18442), (2270, 9221)]