20199448870

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1\times {\mathrm{15671}}^1$

素因数の和:16656

約数の個数: 32

約数和(自身を含む): 36637500096

約数和(自身を除く): 16438051226

約数列:

[1, 2, 5, 10, 157, 314, 785, 821, 1570, 1642, 4105, 8210, 15671, 31342, 78355, 128897, 156710, 257794, 644485, 1288970, 2460347, 4920694, 12301735, 12865891, 24603470, 25731782, 64329455, 128658910, 2019944887, 4039889774, 10099724435, 20199448870]

約数ペア:

[(1, 20199448870), (2, 10099724435), (5, 4039889774), (10, 2019944887), (157, 128658910), (314, 64329455), (785, 25731782), (821, 24603470), (1570, 12865891), (1642, 12301735), (4105, 4920694), (8210, 2460347), (15671, 1288970), (31342, 644485), (78355, 257794), (128897, 156710)]