20120773988

素因数分解:

$2^2\times 7^1\times {\mathrm{10891}}^1\times {\mathrm{65981}}^1$

素因数の和:76883

約数の個数: 24

約数和(自身を含む): 40245852864

約数和(自身を除く): 20125078876

約数列:

[1, 2, 4, 7, 14, 28, 10891, 21782, 43564, 65981, 76237, 131962, 152474, 263924, 304948, 461867, 923734, 1847468, 718599071, 1437198142, 2874396284, 5030193497, 10060386994, 20120773988]

約数ペア:

[(1, 20120773988), (2, 10060386994), (4, 5030193497), (7, 2874396284), (14, 1437198142), (28, 718599071), (10891, 1847468), (21782, 923734), (43564, 461867), (65981, 304948), (76237, 263924), (131962, 152474)]