214362020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{15511}}^1$

素因数の和:16211

約数の個数: 24

約数和(自身を含む): 450840768

約数和(自身を除く): 236478748

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 15511, 31022, 62044, 77555, 155110, 310220, 10718101, 21436202, 42872404, 53590505, 107181010, 214362020]

約数ペア:

[(1, 214362020), (2, 107181010), (4, 53590505), (5, 42872404), (10, 21436202), (20, 10718101), (691, 310220), (1382, 155110), (2764, 77555), (3455, 62044), (6910, 31022), (13820, 15511)]