20161255888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29304151}}^1$

素因数の和:29304202

約数の個数: 20

約数和(自身を含む): 39970863328

約数和(自身を除く): 19809607440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29304151, 58608302, 117216604, 234433208, 468866416, 1260078493, 2520156986, 5040313972, 10080627944, 20161255888]

約数ペア:

[(1, 20161255888), (2, 10080627944), (4, 5040313972), (8, 2520156986), (16, 1260078493), (43, 468866416), (86, 234433208), (172, 117216604), (344, 58608302), (688, 29304151)]