20161243504

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29304133}}^1$

素因数の和:29304184

約数の個数: 20

約数和(自身を含む): 39970838776

約数和(自身を除く): 19809595272

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29304133, 58608266, 117216532, 234433064, 468866128, 1260077719, 2520155438, 5040310876, 10080621752, 20161243504]

約数ペア:

[(1, 20161243504), (2, 10080621752), (4, 5040310876), (8, 2520155438), (16, 1260077719), (43, 468866128), (86, 234433064), (172, 117216532), (344, 58608266), (688, 29304133)]