20211686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1489}}^1$

素因数の和:2119

約数の個数: 16

約数和(自身を含む): 33149520

約数和(自身を除く): 12937834

約数列:

[1, 2, 11, 22, 617, 1234, 1489, 2978, 6787, 13574, 16379, 32758, 918713, 1837426, 10105843, 20211686]

約数ペア:

[(1, 20211686), (2, 10105843), (11, 1837426), (22, 918713), (617, 32758), (1234, 16379), (1489, 13574), (2978, 6787)]