20121247916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65328727}}^1$

素因数の和:65328749

約数の個数: 24

約数和(自身を含む): 43900905216

約数和(自身を除く): 23779657300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65328727, 130657454, 261314908, 457301089, 718615997, 914602178, 1437231994, 1829204356, 2874463988, 5030311979, 10060623958, 20121247916]

約数ペア:

[(1, 20121247916), (2, 10060623958), (4, 5030311979), (7, 2874463988), (11, 1829204356), (14, 1437231994), (22, 914602178), (28, 718615997), (44, 457301089), (77, 261314908), (154, 130657454), (308, 65328727)]