20161286908

素因数分解:

$2^2\times 7^1\times {\mathrm{3517}}^1\times {\mathrm{204733}}^1$

素因数の和:208261

約数の個数: 24

約数和(自身を含む): 40334235872

約数和(自身を除く): 20172948964

約数列:

[1, 2, 4, 7, 14, 28, 3517, 7034, 14068, 24619, 49238, 98476, 204733, 409466, 818932, 1433131, 2866262, 5732524, 720045961, 1440091922, 2880183844, 5040321727, 10080643454, 20161286908]

約数ペア:

[(1, 20161286908), (2, 10080643454), (4, 5040321727), (7, 2880183844), (14, 1440091922), (28, 720045961), (3517, 5732524), (7034, 2866262), (14068, 1433131), (24619, 818932), (49238, 409466), (98476, 204733)]