20402815984

素因数分解:

$2^4\times {\mathrm{11213}}^1\times {\mathrm{113723}}^1$

素因数の和:124944

約数の個数: 20

約数和(自身を含む): 39534329016

約数和(自身を除く): 19131513032

約数列:

[1, 2, 4, 8, 16, 11213, 22426, 44852, 89704, 113723, 179408, 227446, 454892, 909784, 1819568, 1275175999, 2550351998, 5100703996, 10201407992, 20402815984]

約数ペア:

[(1, 20402815984), (2, 10201407992), (4, 5100703996), (8, 2550351998), (16, 1275175999), (11213, 1819568), (22426, 909784), (44852, 454892), (89704, 227446), (113723, 179408)]