20161105208

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{264637}}^1$

素因数の和:264839

約数の個数: 32

約数和(自身を含む): 38584220400

約数和(自身を除く): 18423115192

約数列:

[1, 2, 4, 8, 89, 107, 178, 214, 356, 428, 712, 856, 9523, 19046, 38092, 76184, 264637, 529274, 1058548, 2117096, 23552693, 28316159, 47105386, 56632318, 94210772, 113264636, 188421544, 226529272, 2520138151, 5040276302, 10080552604, 20161105208]

約数ペア:

[(1, 20161105208), (2, 10080552604), (4, 5040276302), (8, 2520138151), (89, 226529272), (107, 188421544), (178, 113264636), (214, 94210772), (356, 56632318), (428, 47105386), (712, 28316159), (856, 23552693), (9523, 2117096), (19046, 1058548), (38092, 529274), (76184, 264637)]