20120474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21269}}^1$

素因数の和:21325

約数の個数: 16

約数和(自身を含む): 33691680

約数和(自身を除く): 13571206

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21269, 42538, 233959, 467918, 914567, 1829134, 10060237, 20120474]

約数ペア:

[(1, 20120474), (2, 10060237), (11, 1829134), (22, 914567), (43, 467918), (86, 233959), (473, 42538), (946, 21269)]