20199723730

素因数分解:

$2^1\times 5^1\times {\mathrm{9697}}^1\times {\mathrm{208309}}^1$

素因数の和:218013

約数の個数: 16

約数和(自身を含む): 36363426840

約数和(自身を除く): 16163703110

約数列:

[1, 2, 5, 10, 9697, 19394, 48485, 96970, 208309, 416618, 1041545, 2083090, 2019972373, 4039944746, 10099861865, 20199723730]

約数ペア:

[(1, 20199723730), (2, 10099861865), (5, 4039944746), (10, 2019972373), (9697, 2083090), (19394, 1041545), (48485, 416618), (96970, 208309)]