20163741896

素因数分解:

$2^3\times {\mathrm{20161}}^1\times {\mathrm{125017}}^1$

素因数の和:145184

約数の個数: 16

約数和(自身を含む): 37809193740

約数和(自身を除く): 17645451844

約数列:

[1, 2, 4, 8, 20161, 40322, 80644, 125017, 161288, 250034, 500068, 1000136, 2520467737, 5040935474, 10081870948, 20163741896]

約数ペア:

[(1, 20163741896), (2, 10081870948), (4, 5040935474), (8, 2520467737), (20161, 1000136), (40322, 500068), (80644, 250034), (125017, 161288)]