20121564

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15671}}^1$

素因数の和:15785

約数の個数: 24

約数和(自身を含む): 47392128

約数和(自身を除く): 27270564

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 15671, 31342, 47013, 62684, 94026, 188052, 1676797, 3353594, 5030391, 6707188, 10060782, 20121564]

約数ペア:

[(1, 20121564), (2, 10060782), (3, 6707188), (4, 5030391), (6, 3353594), (12, 1676797), (107, 188052), (214, 94026), (321, 62684), (428, 47013), (642, 31342), (1284, 15671)]